bith

Irish mutation
Radical	Lenition	Eclipsis
bith	bhith	mbith
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Middle English edit

From Old English biþ, third-person present singular of bēon (“to be”), from Proto-Germanic *biuþi, third-person present singular of *beuną (“to be, become”).

bith

This form is less common than is except in southern dialects.

bith m (genitive betho or betha, nominative plural betha)

world
- c. 800–825, Diarmait, Milan Glosses on the Psalms, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 7–483, Ml. 68^b9
  cia beith ar n‑acathar nech inna rétu inducbaidi in betha so, arnach·corathar i mmoth ⁊ machthad dia seirc ⁊ dia n‑accubur
  though it be that someone sees the glorious things of this world, that he may not be put in stupor and admiration by love for them and by desire for them

Masculine u-stem
	Singular	Dual	Plural
Nominative	bith	bith^L	betha^H
Vocative	bith	bith^L	bethu
Accusative	bith^N	bith^L	bethu
Genitive	betho^H, betha^H	betho^L, betha^L	bethae^N
Dative	biuth^L	bethaib	bethaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

See the etymology of the corresponding lemma form.

bith

bith

Old Irish mutation
Radical	Lenition	Nasalization
bith	bith pronounced with /v(ʲ)-/	mbith
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.