ailén

See also: ailen, and Ai-len

Old Irish

ail (“boulder, rock”) +‎ -én

ailén m (genitive ailéoin, nominative plural ailéoin)

Masculine o-stem
	Singular	Dual	Plural
Nominative	ailén	ailén^L	ailéoin^L
Vocative	ailéoin	ailén^L	ailéonu^H
Accusative	ailén^N	ailén^L	ailéonu^H
Genitive	ailéoin^L	ailén	ailén^N
Dative	ailén^L, ailéon	ailénaib	ailénaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

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