From cith (“shower”) (with genitive ceatha) + -ach.
ceathach (genitive singular masculine ceathaigh, genitive singular feminine ceathaí, plural ceathacha, comparative ceathaí)
singular | plural (m/f) | |||
---|---|---|---|---|
Positive | masculine | feminine | (strong noun) | (weak noun) |
nominative | ceathach | cheathach | ceathacha; cheathacha2 | |
vocative | cheathaigh | ceathacha | ||
genitive | ceathaí | ceathacha | ceathach | |
dative | ceathach; cheathach1 |
cheathach; cheathaigh (archaic) |
ceathacha; cheathacha2 | |
Comparative | níos ceathaí | |||
Superlative | is ceathaí |
1 When the preceding noun is lenited and governed by the definite article.
2 When the preceding noun ends in a slender consonant.
radical | lenition | eclipsis |
---|---|---|
ceathach | cheathach | gceathach |
Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.