Where does “sevynty” come from?

sevynty (Middle English) comes from Old English hundseofontiġ, from Proto-Germanic sebuntēhundą — seventy.

Ancestry of “sevynty”, step by step

StepLanguageWordMeaning
1Old Englishhundseofontiġseventy
2Proto-Germanicsebuntēhundąseventy
Every word from Proto-Germanic sebuntēhundą →Every word from Old English hundseofontiġ →