láthar

Old Irish

From Proto-Celtic *ɸlātrom (“flat position”) (compare, with unexplained semantic development, Proto-Brythonic *llọdr (“leg covering”), whence Welsh llawdr (“trousers”), Breton loer (“sock”), Old Cornish loder (“boot”)), from Proto-Indo-European *pleh₂- (“flat”).

láthar n

arrangement, disposition
machination, wiles
- c. 800, Würzburg Glosses on the Pauline Epistles, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 499–712, Wb. 9^d24
  arna dich cách assa dligud i n-adaltras tri láthar demuin et tri bar nebcongabthetit-si
  lest everyone go out of his duty into adultery through the Devil’s machination and through your incontinence

Neuter o-stem
	Singular	Dual	Plural
Nominative	láthar^N	láthar^N	láthar^L, láthra
Vocative	láthar^N	láthar^N	láthar^L, láthra
Accusative	láthar^N	láthar^N	láthar^L, láthra
Genitive	láthair^L	láthar	láthar^N
Dative	láthar^L	láthraib	láthraib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

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