Where does “warste” come from?

warste (Middle English) comes from Old English wierrest, from Proto-Germanic wirsistaz — superlative degree of *ubilaz.

Ancestry of “warste”, step by step

StepLanguageWordMeaning
1Old Englishwierrestsuperlative degree of yfel: worst
2Proto-Germanicwirsistazsuperlative degree of *ubilaz
Every word from Proto-Germanic wirsistaz →Every word from Old English wierrest →