Where does “unsinister” come from?

unsinister (English) comes from English sinister, from Middle English sinistre, from Old French sinistra, from Latin sinestra — left hand.

unsinister (English): Not sinister

Definitions

  1. Not sinister

Ancestry of “unsinister”, step by step

unsinister traces back through two separate lines of ancestry.

via English sinister

StepLanguageWordMeaning
1EnglishsinisterInauspicious, ominous, unlucky, illegitimate;...
2Middle Englishsinistreunlucky
3Old Frenchsinistraleft
4Latinsinestraleft hand

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Latin sinestra →Every word from Old French sinistra →Every word from Middle English sinistre →