óclach

Old Irish

From óc +‎ -ach, with l by analogy with echlach, midlach.

óclach f or m

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

Masculine o-stem
	Singular	Dual	Plural
Nominative	óclach	óclach^L	óclaig^L
Vocative	óclaig	óclach^L	óclachu^H
Accusative	óclach^N	óclach^L	óclachu^H
Genitive	óclaig^L	óclach	óclach^N
Dative	óclach^L	óclachaib	óclachaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Old Irish mutation
Radical	Lenition	Nasalization
óclach (pronounced with /h/ in h-prothesis environments)	unchanged	n-óclach
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “óclach”, in eDIL: Electronic Dictionary of the Irish Language