From Old Irish og, from Proto-Celtic *āuyom, from Proto-Indo-European *h₂ōwyóm.
ubh f or m (genitive singular uibhe or uibh, nominative plural uibheacha or uibhe)
- (biology, zoology) egg
This word is normally feminine and follows the second declension, as shown in the first table above. The archaic masculine declension shown in the second table above is used especially in place names (e.g., Gort na n-Ubh (Gortnanuv), Co. Limerick, Munster).
- Archaic masculine declension
|Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.
- "ubh" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
- Finck, F. N. (1899), Die araner mundart, Marburg: Elwert’sche Verlagsbuchhandlung, vol. II, p. 207.
- C. Marstrander, E. G. Quin et al., editors (1913–76), “1 og”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN
- Entries containing “ubh” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
- Entries containing “ubh” in New English-Irish Dictionary by Foras na Gaeilge.