hexaoxide

Etymology tree
Proto-Indo-European *swéḱs
Proto-Hellenic *hwéks
Ancient Greek ἕξ (héx)
Ancient Greek ἑξα- (hexa-)der.
Latin hexa-der.
English hexa-
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 hexaoxide
From hexa- + oxide.