pyrometallurgical

Etymology tree
Proto-Indo-European *péh₂wr̥
Proto-Hellenic *pāwər
Ancient Greek πῦρ (pûr)
Latin pyr
English pyro-
English metallurgy
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ic
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
Middle English -ical
English -ical
English metallurgical
English pyrometallurgical
From pyro- + metallurgical.