fluorogold

Etymology tree
Proto-Indo-European *bʰel-der.
Proto-Indo-European *bʰlewH-der.
Proto-Indo-European *bʰluH-yé-ti?
Latin fluō
Proto-Indo-European *-os
Proto-Indo-European *-s
Proto-Indo-European *-ōs
Proto-Italic *-ōs
Latin -or
Latin fluor
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English fluoro-
Proto-Indo-European *ǵʰelh₃-
Proto-Indo-European *ǵʰĺ̥h₃-to-mder.
Proto-Germanic *gulþą
Proto-West Germanic *golþ
Old English gold
Middle English gold
English gold
English fluorogold
From fluoro- + gold.