Where does “unforfeitable” come from?

unforfeitable (English) comes from English forfeitable, from Middle English forfeitable.

unforfeitable (English): Not forfeitable

Definitions

  1. Not forfeitable

Ancestry of “unforfeitable”, step by step

unforfeitable traces back through two separate lines of ancestry.

via English forfeitable

StepLanguageWordMeaning
1EnglishforfeitableLiable to be forfeited
2Middle Englishforfeitable—

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Middle English forfeitable →Every word from English forfeitable →