From tiomna (“will, testament”) + -ach. (Compare Manx çhymnagh.)
tiomnach (genitive singular masculine tiomnaigh, genitive singular feminine tiomnaí, plural tiomnacha, not comparable)
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | tiomnach | thiomnach | tiomnacha; thiomnacha² | |
| Vocative | thiomnaigh | tiomnacha | ||
| Genitive | tiomnaí | tiomnacha | tiomnach | |
| Dative | tiomnach; thiomnach¹ |
thiomnach; thiomnaigh (archaic) |
tiomnacha; thiomnacha² | |
| Comparative | (not comparable) | |||
| Superlative | (not comparable) | |||
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
tiomnach m (genitive singular tiomnaigh, nominative plural tiomnaigh)
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Bare forms:
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Forms with the definite article:
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| Irish mutation | ||
|---|---|---|
| Radical | Lenition | Eclipsis |
| tiomnach | thiomnach | dtiomnach |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||