Where does “unimmunised” come from?

unimmunised (English) comes from English un — One.

unimmunised (English): Alternative form of unimmunized

Definitions

  1. Alternative form of unimmunized

Ancestry of “unimmunised”, step by step

unimmunised traces back through two separate lines of ancestry.

via English un

StepLanguageWordMeaning
1EnglishunOne

via English immunised

StepLanguageWordMeaning
1Englishimmunisedsimple past tense and past participle of immunise
Every word from English un