Where does “opto-” come from?

opto- (English) comes from Ancient Greek ὀπτός, from Ancient Greek -τός, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

opto- (English): optical

Definitions

  1. optical

Ancestry of “opto-”, step by step

StepLanguageWordMeaning
1Ancient Greekὀπτόςroasted, broiled, boiled; baked; generally...
2Ancient Greek-τόςcreates verbal adjectives of possibility, either...
3Proto-Indo-European-tósCreates verbal adjectives from verb stems

Words derived from “opto-”

Every word from Proto-Indo-European -tós →Every word from Ancient Greek -τός →Every word from Ancient Greek ὀπτός →
opto- — Etymology, Origin & Word History | Etymology Explorer