From Middle Irish eochuir, from Proto-Celtic *ekūri- (“opening, fastening”), from Proto-Indo-European *peḱu- (“livestock, domestic animals”), the source of Sanskrit पशु (páśu, “cattle”), Latin pecus, Old Armenian ասր (asr, “fleece”) and Lithuanian pekus (“cattle”). Cognate with English fee. Compare Scottish Gaelic iuchair.
Forms with the definite article
|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.