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Definition 2025

accuis

accuis

Old Irish

Alternative forms

Noun

accuis f

cause, occasion, reason

Declension

Feminine n-stem
	Singular	Dual	Plural
Nominative	accuis^L	aicsin^L	aicsin
Vocative	accuis^L	aicsin^L	acsna^H, accusna^H
Accusative	aicsin^N	aicsin^L	acsna^H, accusna^H
Genitive	acsan, acson	acsan, acson^L	acsan^N, acson^N
Dative	aicsin^L, accuis^L	aicsenaib	aicsenaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Feminine i-stem
	Singular	Dual	Plural
Nominative	accuis^L	accuis^L	acsi^H, aicsi^H
Vocative	accuis^L	accuis^L	acsi^H, aicsi^H
Accusative	accuis^N	accuis^L	acsi^H, aicsi^H
Genitive	acso^H, acsa^H	acso^L, acsa^L	*aicse^N
Dative	accuis^L	*aicsib	*aicsib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Synonyms

fochonn

Derived terms

aicsenach ‎(“causal”)
aicsendae ‎(“causal”)
aicsendaid ‎(“causally, in a law-suit”)
aicsenugud ‎(“act of giving a reason or cause”)
ar accuis ‎(“because of”)
hua accuiss ‎(“because of”)

Descendants

Middle Irish: accais, acaiss, acuis ‎(“cause; offense; hatred; venom”)
- Irish: aicis, acais ‎(“venom, spite”)

See also

acis

Mutation

Old Irish mutation
Radical	Lenition	Nasalization
accuis	unchanged	n-accuis
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

“accais” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.