8 letters · 16 points in Scrabble
noun an oxide containing three atoms of oxygen in the molecule
originEtymology tree Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Italic *tri- Latin tri-der. English tri- 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 Proto-Indo-European *h₂eḱ- Proto-Indo-European *-éh₁ti Proto-Indo-European…
Etymology from Wiktionary, CC BY-SA 3.0