Where does “birthdai” come from?

birthdai (Middle English) comes from Old English ġebyrddæġ — birthday.

Ancestry of “birthdai”, step by step

StepLanguageWordMeaning
1Old Englishġebyrddæġbirthday

Words derived from “birthdai

Every word from Old English ġebyrddæġ
birthdai — Etymology, Origin & Word History | Etymology Explorer