quadroxide

Etymology tree
Proto-Indo-European *kʷetwóresder.
Proto-Indo-European *kʷetwr̥-
Proto-Italic *kʷetru-
Latin quadri-bor.
English quadri-
Proto-Indo-European *h₂eḱ-der.?
Ancient Greek ὀξύς (oxús)
Proto-Indo-European *ǵenh₁-
Proto-Indo-European *-os
Proto-Indo-European *ǵénh₁os
Proto-Hellenic *génos
Ancient Greek γένος (génos)
French oxygène
Latin acidusbor.
French acide
blend
French oxidebor.
English oxide
English quadroxide
From quadri- + oxide.