optach

Irish

Etymology

From Medieval Latin opticus, from Ancient Greek ὀπτικός (optikós, “of seeing”). Partially calqued, substituting the native adjectival suffix -ach.

Pronunciation
  • (Connacht) IPA(key): /ˈɔpˠt̪ˠəx/
  • (Ulster) IPA(key): /ˈɔpˠt̪ˠa(x)/

Adjective

optach (genitive singular masculine optaigh, genitive singular feminine optaí, plural optacha)

  1. optic

Declension
Declension of optach
Singular Plural (m/f)
Positive Masculine Feminine (strong noun) (weak noun)
Nominative optach optach optacha
Vocative optaigh optacha
Genitive optaí optacha optach
Dative optach optach;
optaigh (archaic)		 optacha
Comparative níos optaí
Superlative is optaí
  • opta- (“opto-”)
  • optaic f (“optics”)
  • optúil (“optical”, adjective)

Mutation
Irish mutation
RadicalEclipsiswith h-prothesiswith t-prothesis
optach n-optach hoptach not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading
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