English
pyrogallol
From pyro- + gallic + -ol.
A compound of pyro- + gallic + -ol
Proto-Indo-European *péh₂wr̥ ‘fire’
Proto-Hellenic *pāwər
Ancient Greek πῦρ ‘fire’
Latin pyr
English pyro-
Today it means
noun A poisonous trihydroxy phenol, 1,2,3-trihydroxybenzene, C₆H₃(OH)₃, used as a photographic developer.
Language periods are conventional ranges, not dates for this word.
Etymograph / pyrogallol