petrochemistry

Etymology tree
Ancient Greek πέτρᾱ (pétrā)bor.
Latin petrader.
English petro-
Proto-Indo-European *ǵʰew-
Proto-Indo-European *-mn̥
Ancient Greek -μᾰ (-mă)
Ancient Greek χῠ́μᾰ (khŭ́mă)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ία (-ía)
Ancient Greek χυμείᾱ (khumeíā)bor.
Arabic الْكِيمِيَاء (al-kīmiyāʔ)bor.
Medieval Latin alchēmia
▲
Ancient Greek χυμείᾱ (khumeíā)influ.
New Latin chimiabor.
Middle French chymie
French chimie
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Hellenic *-tās
Ancient Greek -τής (-tḗs)
Ancient Greek -ῐστής (-ĭstḗs)bor.
Latin -istabor.
French -iste
French chimistebor.
English chemist
Middle English -re,-ri,-rie,-ry,-rye
English -ry
English chemistry
English petrochemistry
From petro- + chemistry.