Where does “пиретрин” come from?

пиретрин (Russian) comes from English pyrethrin, from English pyrethrum, from Old English pyretre, from Latin pyrethrum, from Ancient Greek πύρεθρον, from Ancient Greek πῦρ, from Proto-Indo-European péh₂wr̥ — bonfire; spelt.

Ancestry of “пиретрин”, step by step

StepLanguageWordMeaning
1EnglishpyrethrinAny of a number of naturally occurring...
2EnglishpyrethrumAny of several daisy-like perennial African...
3Old Englishpyretrepellitory plant of the genus
4Latinpyrethrum
5Ancient Greekπύρεθρονpellitory of Spain
6Ancient Greekπῦρa fire; lightning; a fever
7Proto-Indo-Europeanpéh₂wr̥bonfire; spelt

Words derived from “пиретрин

Every word from Proto-Indo-European péh₂wr̥