éifeachtach

Irish

Etymology

From Old Irish éifechtach (effective, efficacious, efficient; weighty, important). By surface analysis, éifeacht (force, significance; efficacy, effect; value, importance; sense, substance; achievement, success) +‎ -ach.

Adjective

éifeachtach (genitive singular masculine éifeachtaigh, genitive singular feminine éifeachtaí, plural éifeachtacha, comparative éifeachtaí)

  1. forceful, significant; efficacious, effective; important
  2. great, powerful; highly capable

Declension

Declension of éifeachtach
Positive singular plural
masculine feminine strong noun weak noun
nominative éifeachtach éifeachtach éifeachtacha
vocative éifeachtaigh éifeachtacha
genitive éifeachtaí éifeachtacha éifeachtach
dative éifeachtach éifeachtach;
éifeachtaigh (archaic)
éifeachtacha
Comparative níos éifeachtaí
Superlative is éifeachtaí

Derived terms

Mutation

Mutated forms of éifeachtach
radical eclipsis with h-prothesis with t-prothesis
éifeachtach n-éifeachtach héifeachtach not applicable

Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.

References