Caer

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Placename element in Welsh meaning "stronghold", "fortress", or "citadel"

title: "Caer" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["place-name-element-etymologies", "welsh-toponymy", "prefixes", "english-suffixes"] description: "Placename element in Welsh meaning "stronghold", "fortress", or "citadel"" topic_path: "general/place-name-element-etymologies" source: "https://en.wikipedia.org/wiki/Caer" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Placename element in Welsh meaning "stronghold", "fortress", or "citadel" ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/7/7e/Cardiff_Castle_North_Gate_-geograph.org.uk-_558526.jpg" caption="The north gate of [[Cardiff Castle]], following the old Roman fortifications and rebuilt along Roman lines."] ::

Caer (; or kair) is a placename element in Welsh meaning "stronghold", "fortress", or "citadel", roughly equivalent to an Old English suffix (-ceaster) now variously written as -caster, -cester, and -chester.

In modern Welsh orthography, caer is usually written as a prefix, although it was formerly—particularly in Latin—written as a separate word. The Breton equivalent is kêr, which is present in many Breton placenames as the prefix Ker-.

Etymology

The term is thought to have derived from the Brittonic *kagro- and to be cognate with cae ("field, enclosed piece of land"). Although stone castles were largely introduced to Wales by the invading Normans, "caer" was and remains used to describe the settlements around some of them as well. An example is the Roman fort at Caernarfon, formerly known in Welsh as Caer Seiont from its position on the Seiont; the later Edwardian castle and its community were distinguished as Caer yn Arfon ("fort in Arfon", the latter being a district name (Cantref Arfon) from "ar Fôn", "(land) opposite Môn or Anglesey"). However, the modern names of the Roman fort and Edwardian castle themselves are now Segontiwm or Castell Caernarfon, while the communities carry on the name caer.

Note that the term is not believed to be related to the Irish cathair ("city"), which is instead derived from Proto-Celtic *katrixs, *catarax ("fortification").

Britain

Gildas's account of the Saxon invasions of Britain claimed that there were 28 fortified Roman cities () on the island, without listing them.{{refn|De Excidio Britanniae, § 3. Cited in the "Civitas" entry of Celtic Culture. Controversy exists over whether this list includes only Roman cities or a mixture of Roman cities and non-Roman settlements. Some of the place names that have been proposed include: ::figure[src="https://upload.wikimedia.org/wikipedia/commons/e/e8/Britain_roman.png" caption="1911]])."] ::

Wales

::figure[src="https://upload.wikimedia.org/wikipedia/commons/f/fa/Caernarfon_Castle_1994.jpg" caption="Edwardian]] Caernarfon Castle"] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/1/1b/Segontium_from_the_A4085_-geograph.org.uk-_267505.jpg" caption="British]] community along the [[Afon Seiont]]"] ::

The element caer, sometimes anglicized as car, is found in several place-names in Wales such as:

England

The Cumbric language was spoken in Northern England until the Medieval era in which the element caer ("fort") was used in naming places. It also appears in Cornish place-names as Ker-.

  • Caermote, Cumberland (Caermollt, "Fort of the wether")
  • Cardew, Cumberland (Caerdu, "Black fort")
  • Cardunneth, Cumberland (Caerdunawd, "Dünǭd's fort")
  • Cardurnock, Cumberland (Caerdwrnog, "Fort of the fist-sized stones")
  • Cargo, Cumberland (Caergoll, "Fort of hazel")
  • Carhullan, Westmorland ("Fort of Holland")
  • Carrick, Northumberland (Caerwig, "vicus fort")
  • Carlatton, Cumberland ("Fort of the leek enclosure")
  • Carlisle, Cumberland (Caerliwelydd, "Fort Luguwalos")
  • Carmolt, Cumberland (Caermollt, "Fort of the wether")
  • Carrycoats, Northumberland (Caerycoed, "Fort of the wood")
  • Carvoran, Northumberland (Caerferin, "Fort of the Morini")
  • Kerrier, Cornwall

Caer is also found in Welsh exonyms for English cities.

::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/be/Carriden_House.jpg" caption="Carriden House, a refurbished Roman fort which formerly formed part of the [[Antonine Wall]] in Scotland."] ::

Scotland

Cumbric and Pictish were Brittonic languages spoken in Scotland until around the 12th century, and caer ("fort") was a place-naming element in both languages.

  • Caerketton, Midlothian ("Fort of Catel")
  • Caerlanrig, Roxburghshire (Caerllanerch; "Fort Clearing")
  • Caerlaverock, Dumfriesshire ("Fort of Llywarch")
  • Carcluie, Ayrshire ("Fort of Clewein")
  • Carden, Fife. Formerly Cardenni
  • Cardonald, Renfrewshire ("Duμnwal's fort")
  • Carleith, Dunbartonshire
  • Carmichael, Lanarkshire ("Fort of Saint Michael")
  • Carmuirs, Stirlingshire
  • Carmurie, Fife ("Fort of the Sea")
  • Carmyllie, Angus ("Fort of the warrior")
  • Carpow, Perthshire (Caerpwll; "Fort of the sluggish stream")
  • Carriden, West Lothian ("Fort Eidyn")
  • Carruthers, Dumfriesshire ("Fort of Rhodri")
  • Carstairs, Lanarkshire ("Fort of the Tarras")
  • Crail, Fife ("Fort of the rock")
  • Cramond, Midlothian ("Fort Almond")
  • Kair, Kincardineshire ("Fort")
  • Keir, Aberdeenshire ("Fort")
  • Keir, Dumfries-shire ("Fort")
  • Keir, Stirlingshire ("Fort")
  • Keirhill, West Lothian
  • Keirs, Ayrshire
  • Kirkbuddo, Angus ("Fort of Buiteoc")
  • Kirkcaldy, Fife (Caercaledin; "place of the hard fort" or "place of Caled's fort")
  • Kirkintilloch, Dunbartonshire. Formerly Caerpentaloch

In fiction

References

References

  1. Carlisle, Nicholas. [https://archive.org/stream/walestopographic00carluoft#page/xxx/mode/2up ''Topographical Dictionary of the Dominion of Wales'', "Glossary", p. xxx.] W. Bulmer & Co. (London), 1811.
  2. Allen, Grant. [https://books.google.com/books?id=2mgJAAAAQAAJ&pg=PA419 "Casters and Chesters" in ''The Cornhill Magazine'', Vol. XLV, pp. 419 ff.] Smith, Elder, & Co. (London), 1882.
  3. ''[[Geiriadur Prifysgol Cymru]]'', vol. 1, p. 384.
  4. Ebel, Hermann Wilhelm. (April 6, 2001). "The Development of Celtic Linguistics, 1850-1900: Celtic studies". Taylor & Francis.
  5. Stifter, David. (June 12, 2006). "Sengoidelc: Old Irish for Beginners". Syracuse University Press.
  6. The ''[[Historia Brittonum. Sta. Barbara]]), 2006.
  7. [[Nennius]] ({{abbr. attrib.. Traditional attribution). [[Theodor Mommsen]] ({{abbr. ed.. Editor). [[s:la:Historia Brittonum#VI. CIVITATES BRITANNIAE. ''Historia Brittonum'', VI.]] Composed after AD 830. {{in lang. la Hosted at [[s:la:Main Page. Latin Wikisource]].
  8. Ford, David Nash. "[http://www.britannia.com/history/ebk/articles/nenniuscities.html The 28 Cities of Britain] {{Webarchive. link. (2016-04-15 " at Britannia. 2000.)
  9. Newman, John Henry & al. [http://www.mocavo.co.uk/Lives-of-the-English-Saints-St-Gilbert-Prior-of-Sempringham-Volume-3/527392/459 ''Lives of the English Saints: St. German, Bishop of Auxerre'', Ch. X: "Britain in 429, A. D.", p. 92.] {{Webarchive. link. (2016-03-21 James Toovey (London), 1844.)
  10. Breeze, Andrew. [http://digitalcommons.brockport.edu/jlo/vol5/iss1/1/ "Historia Brittonum" and Britain's Twenty-Eight Cities at ''Journal of Literary Onomastics''] {{Webarchive. link. (2017-11-13 . 2016.)
  11. following [[John Leland (antiquary)
  12. On page 20 of Stevenson's 1838 edition of Nennius's works.
  13. [[Moridunum (Carmarthen). Carmarthen]]?Veprauskas, Michael. [https://www.vortigernstudies.org.uk/artgue/mikecaer.htm "The Problem of Caer Guorthigirn" at ''Vortigern Studies'']. 1998.
  14. In ''Academy'', Vol. XXX, Oct. 1886.
  15. Roman Britain Organisation. [http://www.roman-britain.org/places/caersws.htm "Mediomanum?" at ''Roman Britain''] {{webarchive. link. (2007-04-01 . 2010.)
  16. (29 May 2020). "How the suburbs of Cardiff got their names". Wales Online.
  17. "Place Names".
  18. {{Cite EB1911
  19. (1996). "Enwau Lleoedd Môn : The Place-Names of Anglesey". University of Wales Press.
  20. (15 February 2015). "The Place-Names of Wales". University of Wales Press.
  21. (1912). "The Place-Names of Wales".
  22. "The Brittonic Language in the Old North".
  23. A. D. Mills, ''A Dictionary of British Place Names'' (Oxford: Oxford University Press, 2011), s.v.
  24. (2006). "The Place-names of Fife". Shaun Tyas.
  25. (2011). "The Celtic Place-Names of Scotland". Birlinn LTD.
  26. (11 November 2010). "Pictish Progress: New Studies on Northern Britain in the Early Middle Ages". Brill.
  27. "Fife Place-name Data :: Kirkcaldy".

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