OriginFrom Middle Irish beith, beithe, from Old Irish beithe, from Proto-Celtic *betwiyos, *betuyā (“birch”), from Proto-Indo-European *gʷet-.
- femininebirch (tree)
- femininethe letter B in the Ogham alphabet
Formsbeithe(genitive, singular) · beitheanna(nominative, plural) · beith(indefinite, nominative, singular) · beitheanna(indefinite, nominative, plural) · a bheith(indefinite, singular, vocative) · a bheitheanna(indefinite, plural, vocative) · beithe(genitive, indefinite, singular) · beitheanna(genitive, indefinite, plural) · beith(dative, indefinite, singular) · beitheanna(dative, indefinite, plural) · an bheith(definite, nominative, singular) · na beitheanna(definite, nominative, plural) · na beithe(definite, genitive, singular) · na mbeitheanna(definite, genitive, plural) · leis an mbeith(dative, definite, singular) · don bheith(dative, definite, singular) · leis na beitheanna(dative, definite, plural) · beith(error-unrecognized-form) · bheith(error-unrecognized-form) · mbeith(error-unrecognized-form)
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