Where does “varifocal” come from?

varifocal (English) comes from English focal, from New Latin focālis.

varifocal (English): Having a variable focal length, with focus that...

Definitions

  1. Having a variable focal length, with focus that...

Ancestry of “varifocal”, step by step

varifocal traces back through two separate lines of ancestry.

via English focal

StepLanguageWordMeaning
1EnglishfocalBelonging to, concerning, or located at a focus;...
2New Latinfocālis

via English vari

StepLanguageWordMeaning
1EnglishvariThe ring-tailed lemur
Every word from New Latin focālisEvery word from English focal
varifocal — Etymology, Origin & Word History | Etymology Explorer