lettáeb

Old Irish

leth (“side”) +‎ tóeb (“side”)

lettáeb m (genitive lettaíb, nominative plural lettaíb)

Masculine o-stem
	Singular	Dual	Plural
Nominative	lettáeb	lettáeb^L	lettaíb^L
Vocative	lettaíb	lettáeb^L	lettáebu^H
Accusative	lettáeb^N	lettáeb^L	lettáebu^H
Genitive	lettaíb^L	lettáeb	lettáeb^N
Dative	lettáeb^L	lettáebaib	lettáebaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Old Irish mutation
Radical	Lenition	Nasalization
lettáeb also llettáeb after a proclitic	lettáeb pronounced with /l(ʲ)-/	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.