Where does “outewith” come from?

outewith (Middle English) comes from Middle English withoute, from Old English wiþūtan — outside of, without.

Ancestry of “outewith”, step by step

StepLanguageWordMeaning
1Middle Englishwithoutewithout
2Old Englishwiþūtanoutside of, without
Every word from Old English wiþūtan →Every word from Middle English withoute →