foithir

See also: fo-ithir

Old Irish[edit]

Possibly from fo + tír.

foithir m (genitive foithir)

Masculine o-stem
	Singular	Dual	Plural
Nominative	foithir, fuithir	foithir^L, fuithir	foithir^L, fuithir
Vocative	foithir, fuithir	foithir^L, fuithir	fuithriu^H
Accusative	foithir^N, fuithir	foithir^L, fuithir	fuithriu^H
Genitive	foithir^L, fuithir	foithir, fuithir	foithir^N, fuithir
Dative	fo(i)thiur^L	foithrib	foithrib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

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

G. Toner, M. Ní Mhaonaigh, S. Arbuthnot, D. Wodtko, M.-L. Theuerkauf, editors (2019), “foithir, fuither”, in eDIL: Electronic Dictionary of the Irish Language