Where does “phot” come from?

phot (English) comes 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-, from Proto-Indo-European bʰeh₂-s-ri-.

phot (English): A photometric unit of illuminance, or luminous...

Definitions

  1. A photometric unit of illuminance, or luminous...

Ancestry of “phot”, step by step

phot traces back through two separate lines of ancestry.

via English photograph

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

via French fossé

StepLanguageWordMeaning
1Frenchfosséditch; trench; moat
2Middle Frenchfossétrench; ditch
3Old Frenchfosséfosse
4Late Latinfossatumentrenchment, place enclosed by a ditch; a ditch,...
5Latinfossōto dig, pierce
6Latinfodiōto dig, dig up, dig out; to bury; to dig or clear out the earth from a place; to mine, quarry
7Proto-Indo-Europeanbʰod-to pierce, dig

Words derived from “phot

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