Where does “unmined” come from?

unmined (English) comes from English un — One.

unmined (English): That has not been mined; Not sown with mines

Definitions

  1. That has not been mined; Not sown with mines

Ancestry of “unmined”, step by step

unmined traces back through two separate lines of ancestry.

via English un

StepLanguageWordMeaning
1EnglishunOne

via English mined

StepLanguageWordMeaning
1Englishminedsimple past tense and past participle of mine
Every word from English un