Where does “uninfested” come from?

uninfested (English) comes from English un — One.

uninfested (English): Not infested

Definitions

  1. Not infested

Ancestry of “uninfested”, step by step

uninfested traces back through two separate lines of ancestry.

via English un

StepLanguageWordMeaning
1EnglishunOne

via English infested

StepLanguageWordMeaning
1Englishinfestedsimple past tense and past participle of infest
Every word from English un