éifeacht

Irish

Etymology

From Old Irish éifecht (“efficacy, vigour, substance, meaning, purport”).

Noun

éifeacht f (genitive singular éifeachta)

1. force, significance; efficacy, effect; value, importance
2. sense, substance
3. achievement, success

Declension

Declension of éifeacht

Third declension

Bare forms (no plural for this noun): Case Singular Nominative éifeacht Vocative a éifeacht Genitive éifeachta Dative éifeacht

Forms with the definite article: Case Singular Nominative an éifeacht Genitive na héifeachta Dative leis an éifeacht don éifeacht

Synonyms

• (impact): iarmhairt

Derived terms

• comhéifeacht (“coefficient”)
• éifeachtach (“forceful, significant; efficacious, effective; important; great, powerful; highly capable”, adjective)

Mutation

Irish mutation
Radical	Eclipsis	with h-prothesis	with t-prothesis
éifeacht	n-éifeacht	héifeacht	not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

• Ó Dónaill, Niall (1977) “éifeacht”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• G. Toner, M. Ní Mhaonaigh, S. Arbuthnot, D. Wodtko, M.-L. Theuerkauf, editors (2019), “éifecht”, in eDIL: Electronic Dictionary of the Irish Language
• Entries containing “éifeacht” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
• Entries containing “éifeacht” in New English-Irish Dictionary by Foras na Gaeilge.