English

pyrotoxin

From pyro- + toxin.

A compound of pyro- + toxin

Proto-Indo-European *péh₂wr̥ ‘fire’

Proto-Hellenic *pāwər

Ancient Greek πῦρ ‘fire’

Latin pyr

English pyro-

Latin toxicum ‘a poison used on the tips of arrows’

English toxin

Today it means

noun Any of several pyrogenic bacterial toxins.

Language periods are conventional ranges, not dates for this word.

Etymograph / pyrotoxin