Where does “photo-” come from?

photo- (French) comes from Ancient Greek φωτός, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-, from Proto-Indo-European bʰeh₂-s-ri-.

photo- (French): light; photo

Definitions

  1. light; photo

Ancestry of “photo-”, step by step

StepLanguageWordMeaning
1Ancient Greekφωτόςgenitive singular of φῶς; light; of light
2Ancient GreekφῶςAttic form of φᾰ́ος
3Proto-Hellenicpʰáos
4Proto-Indo-Europeanbʰéh₂os
5Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
6Proto-Indo-Europeanbʰeh₂-s-ri-

Words derived from “photo-

Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Proto-Indo-European bʰéh₂os
photo- — Etymology, Origin & Word History | Etymology Explorer