écht

See also: echt, Echt, and -echt

Old Irish

From Proto-Celtic *anxtu, from the same root as éc (“death”).^[1]

écht n (genitive échta, nominative plural échta)

Neuter u-stem
	Singular	Dual	Plural
Nominative	écht^N	écht^L	écht^L, échta
Vocative	écht^N	écht^L	écht
Accusative	écht^N	écht^L	écht
Genitive	échto^H, échta^H	échto^N, échta^N	écht^N
Dative	écht^L	échtaib	échtaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

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

^ Matasović, Ranko (2009) “*anku-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 37