Where does “dioptrics” come from?

dioptrics (English) comes from English dioptric, from French dioptrique — dioptric.

dioptrics (English): plural of dioptric; the study of the refraction...

Definitions

  1. plural of dioptric; the study of the refraction...

Ancestry of “dioptrics”, step by step

StepLanguageWordMeaning
1EnglishdioptricPertaining to a diopter; Acting as a medium for...
2Frenchdioptriquedioptric
Every word from French dioptriqueEvery word from English dioptric