Where does “unfocus” come from?

unfocus (English) comes from English focus, from Latin focus — fireplace, hearth; firepan, coal pan, brazier;...

unfocus (English): To bring out of focus; To move the input focus...

Definitions

  1. To bring out of focus; To move the input focus...

Ancestry of “unfocus”, step by step

unfocus traces back through two separate lines of ancestry.

via English focus

StepLanguageWordMeaning
1EnglishfocusA point at which reflected or refracted rays of...
2Latinfocusfireplace, hearth; firepan, coal pan, brazier;...

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Latin focusEvery word from English focus