- 1 Irish
- 2 Old Irish
- 3 Scottish Gaelic
|Radical||Eclipsis||with h-prothesis||with t-prothesis|
|Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.|
From Proto-Celtic *ulkos, of uncertain etymology. May be related to Latin ulcus and English ill. Alternatively, it may be from Proto-Indo-European *wĺ̥kʷos (“wolf”), although there are considerable phonological and semantic difficulties with this etymology.
|Old Irish mutation|
|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), “olc”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN