Where does “optophobia” come from?

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

optophobia (English): The fear of opening one's eyes

Definitions

  1. The fear of opening one's eyes

Ancestry of “optophobia”, step by step

StepLanguageWordMeaning
1Englishopto-optical
2Ancient Greekὀπτόςroasted, broiled, boiled; baked; generally...
3Ancient Greek-τόςcreates verbal adjectives of possibility, either...
4Proto-Indo-European-tósCreates verbal adjectives from verb stems
Every word from Proto-Indo-European -tós →Every word from Ancient Greek -τός →Every word from English opto- →