French word abat-voix comes from French voix ((general, music, linguistics) voice. (politics) vote.), French abat (Giblet.)

Detailed word origin of abat-voix

Dictionary entry	Language	Definition
voix	French (fra)	(general, music, linguistics) voice. (politics) vote.
abat	French (fra)	Giblet.
abat-voix	French (fra)	Abatvoix.