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Definition 2025

urdhún

urdhún

Irish

Noun

urdhún m ‎(genitive singular urdhúin, nominative plural urdhúnta)

(architecture) bastion

Declension

Declension of urdhún

First declension

Bare forms:

Case	Singular	Plural
Nominative	urdhún	urdhúnta
Vocative	a urdhúin	a urdhúnta
Genitive	urdhúin	urdhúnta
Dative	urdhún	urdhúnta

Forms with the definite article:

Case	Singular	Plural
Nominative	an t-urdhún	na hurdhúnta
Genitive	an urdhúin	na n-urdhúnta
Dative	leis an urdhún don urdhún	leis na hurdhúnta

Mutation

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

References

"urdhún" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
“airdún” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.