Where does “retinochrome” come from?

retinochrome (English) comes from English chrome, from French chrome, from Ancient Greek χρῶμα, from Proto-Indo-European gʰreu — to grind, rub.

retinochrome (English): Any of a class of photosensitive pigment, related...

Definitions

  1. Any of a class of photosensitive pigment, related...

Ancestry of “retinochrome”, step by step

StepLanguageWordMeaning
1EnglishchromeChromium, when used to plate other metals; The...
2Frenchchromechromium
3Ancient Greekχρῶμαskin (esp. the human body)
4Proto-Indo-Europeangʰreuto grind, rub
Every word from Proto-Indo-European gʰreu →Every word from Ancient Greek χρῶμα →Every word from French chrome →