Where does “diopter” come from?

diopter (English) comes from Latin dioptra, from Ancient Greek διοπτρα — to see through.

diopter (English): A unit of measure of the power of a lens or...

Definitions

  1. A unit of measure of the power of a lens or...

Ancestry of “diopter”, step by step

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