Where does “photic” come from?

photic (English) comes from English phot, from English photograph, from English photo-, from Ancient Greek φωτο-, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-.

photic (English): Of, related to, or irradiated by light;...

Definitions

  1. Of, related to, or irradiated by light;...

Ancestry of “photic”, step by step

photic traces back through two separate lines of ancestry.

via English phot

StepLanguageWordMeaning
1EnglishphotA photometric unit of illuminance, or luminous...
2EnglishphotographA picture created by projecting an image onto a...
3Englishphoto-light, electromagnetic radiation; photography
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of

Words derived from “photic

Every word from Proto-Indo-European bʰeh₂-s-ri-
photic — Etymology, Origin & Word History | Etymology Explorer