Part of speech: numeral
thirty; anes wana þrittiȝum “thirty wanting / save one”, twenty nine (also þrittiȝ, ðrítiȝ)
Etymology
[Mod E THIRTY; Goth þreis tigjus; O Fris thritich; O Sax thrītig; Dt dertig; OHG drīzug (Mod G dreißig); O Icel þrír tigir (Mod Icel þrjátíu); Sw trettio]
