From [[w:|]][[Category: derivations|Mendacious]] mendacieux, from [[w:|]][[Category: derivations|Mendacious]] mendācium (“‘lie, untruth’”), from mendāx (“‘lying’”).
From [[w:|]][[Category: derivations|Mendacious]] mendacieux, from [[w:|]][[Category: derivations|Mendacious]] mendācium (“‘lie, untruth’”), from mendāx (“‘lying’”).