From Old Irish cerc, from Proto-Celtic *kerkā.
cearc f (genitive singular circe, nominative plural cearca)
- chicken, hen
|Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.
- C. Marstrander, E. G. Quin et al., editors (1913–76), “cerc”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN
- “cearc” in Foclóir Gaeḋilge agus Béarla, Irish Texts Society, 2nd ed., 1927, by Patrick S. Dinneen.
- "cearc" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
- Entries containing “cearc” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
- Entries containing “cearc” in New English-Irish Dictionary by Foras na Gaeilge.