volcanogenic

Etymology tree
Doric Greek Ϝέλχανος (Wélkhanos)der.?
Latin Vulcānusbor.
Italian Vulcano
Italian vulcanobor.
English volcano
Proto-Indo-European *ǵenh₁-
Proto-Indo-European *-os
Proto-Indo-European *ǵénh₁os
Proto-Hellenic *génos
Ancient Greek γένος (génos)
Proto-Indo-European *-os
Proto-Indo-European *-ēs
Ancient Greek -ης (-ēs)
Ancient Greek -γενής (-genḗs)lbor.
French -gènebor.
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English -genic
English volcanogenic
From volcano + -genic.