From Old Irish commusach (“able, capable, powerful”). By surface analysis, cumas (“power, capability, ability, capacity, potential, aptitude, competence, faculty”) + -ach.
cumasach (genitive singular masculine cumasaigh, genitive singular feminine cumasaí, plural cumasacha, comparative cumasaí)
Singular | Plural (m/f) | |||
---|---|---|---|---|
Positive | Masculine | Feminine | (strong noun) | (weak noun) |
Nominative | cumasach | chumasach | cumasacha; chumasacha² | |
Vocative | chumasaigh | cumasacha | ||
Genitive | cumasaí | cumasacha | cumasach | |
Dative | cumasach; chumasach¹ |
chumasach; chumasaigh (archaic) |
cumasacha; chumasacha² | |
Comparative | níos cumasaí | |||
Superlative | is cumasaí |
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
Irish mutation | ||
---|---|---|
Radical | Lenition | Eclipsis |
cumasach | chumasach | gcumasach |
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. |