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Definition 2025

cathach

cathach

Old Irish

Adjective

cathach

bellicose, warlike
vehement, forceful

Inflection

This adjective needs an inflection-table template.

Derived terms

cathaige ‎(“warlike spirit”)

Etymology 2

From cath ‎(“battle”) +‎ -ach

Noun

cathach f ‎(genitive cathaig, nominative plural cathacha)

relic, reliquary (from the use of relics in battle to ensure victory)

Inflection

Feminine ā-stem
	Singular	Dual	Plural
Nominative
Vocative
Accusative
Genitive
Dative
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Mutation

Old Irish mutation
Radical	Lenition	Nasalization
cathach	chathach	cathach pronounced with /ɡ(ʲ)-/
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

“1 cathach (‘bellicose’)” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.
“2 cathach (‘relic’)” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.