Where does “dioptru” come from?

dioptru (Romanian) comes from French dioptre, from Latin dioptra, from Ancient Greek διοπτρα — to see through.

dioptru (Romanian): diopter

Definitions

  1. diopter

Ancestry of “dioptru”, step by step

StepLanguageWordMeaning
1Frenchdioptrediopter
2Latindioptra—
3Ancient Greekδιοπτραto see through
Every word from Ancient Greek διοπτρα →Every word from Latin dioptra →Every word from French dioptre →