ecnae

Old Irish

From *exs- +‎ Proto-Celtic *-gniyom. Effectively contains the prefix ess-.

ecnae n (genitive ecnai)

Neuter io-stem
	Singular	Dual	Plural
Nominative	ecnae^N	ecnae^L	ecnae^L
Vocative	ecnae^N	ecnae^L	ecnae^L
Accusative	ecnae^N	ecnae^L	ecnae^L
Genitive	ecnai^L	ecnae^L	ecnae^N
Dative	ecnu^L	ecnaib	ecnaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

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