Where does “trichromacy” come from?

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

trichromacy (English): The quality of having three independent channels...

Definitions

  1. The quality of having three independent channels...

Ancestry of “trichromacy”, step by step

StepLanguageWordMeaning
1Ancient Greekχρῶμαskin (esp. the human body)
2Proto-Indo-Europeangʰreuto grind, rub
Every word from Proto-Indo-European gʰreu →Every word from Ancient Greek χρῶμα →