Where does “паразитизм” come from?

паразитизм (Russian) comes from French parasitisme, from French parasite, from Latin parasītus, from Ancient Greek παράσιτος, from Ancient Greek παρά, from Latin verēdus, from Gaulish werēdos, from Proto-Celtic *uɸoreidos — horse.

Ancestry of “паразитизм”, step by step

StepLanguageWordMeaning
1Frenchparasitismeparasitism
2Frenchparasitea parasite; parasitic; inflection of...
3Latinparasītusguest
4Ancient Greekπαράσιτοςone who eats at the table of another, parasite;...
5Ancient Greekπαρά
6LatinverēdusA fast or light breed of horse; courier's horse; hunter
7Gaulishwerēdoshorse
8Proto-Celtic*uɸoreidoshorse

Words derived from “паразитизм

Every word from Proto-Celtic *uɸoreidosEvery word from Gaulish werēdosEvery word from Latin verēdus