Where does “pyrethrin” come from?

pyrethrin (English) comes 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.

pyrethrin (English): Any of a number of naturally occurring...

Definitions

Any of a number of naturally occurring...

Ancestry of “pyrethrin”, step by step

Step	Language	Word	Meaning
1	English	pyrethrum	Any of several daisy-like perennial African...
2	Old English	pyretre	pellitory plant of the genus
3	Latin	pyrethrum	—
4	Ancient Greek	πύρεθρον	pellitory of Spain
5	Ancient Greek	πῦρ	a fire; lightning; a fever
6	Proto-Indo-European	péh₂wr̥	bonfire; spelt

Words derived from “pyrethrin”

pyrethroid
-thrin
пиретрин
пиретрин

Every word from Proto-Indo-European péh₂wr̥ →