From Middle Irish adarcach. By surface analysis, adharc (“horn”) + -ach (adjectival suffix). The sense ‘sexually aroused’ is a semantic loan from English horny.
adharcach (genitive singular masculine adharcaigh, genitive singular feminine adharcaí, plural adharcacha, comparative adharcaí)
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | adharcach | adharcach | adharcacha | |
| Vocative | adharcaigh | adharcacha | ||
| Genitive | adharcaí | adharcacha | adharcach | |
| Dative | adharcach | adharcach; adharcaigh (archaic) |
adharcacha | |
| Comparative | níos adharcaí | |||
| Superlative | is adharcaí | |||
| Irish mutation | |||
|---|---|---|---|
| Radical | Eclipsis | with h-prothesis | with t-prothesis |
| adharcach | n-adharcach | hadharcach | not applicable |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | |||
From Old Irish adarcach, from adarc (“horn”). By surface analysis, adharc (“horn”) + -ach (adjectival suffix).
adharcach (genitive singular masculine adharcaich, genitive singular feminine adharcaiche, comparative adharcaiche)
| Case | Masculine singular | Feminine singular | Plural |
|---|---|---|---|
| Nominative | adharcach | adharcach | adharcach |
| Vocative | adharcaich | adharcach | adharcach |
| Genitive | adharcaich | adharcaiche | adharcach |
| Dative | adharcach | adharcaich | adharcach |
| Scottish Gaelic mutation | |||
|---|---|---|---|
| Radical | Eclipsis | with h-prothesis | with t-prothesis |
| adharcach | n-adharcach | h-adharcach | t-adharcach |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | |||