Meaning

noun an anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling or lightheadedness or irritability etc that has lasted for more than six months

noun a sharp prod fixed to a rider's heel and used to urge a horse onward

verb wander aimlessly in search of pleasure

originFrom Middle English gade (“a fool, simpleton, rascal, scoundrel; bastard”), from Old English *gada (“fellow, companion, comrade, associate”), from Proto-West Germanic *gadō, from Proto-Germanic *gadô, *gagadô (“companion, associate”), related to Proto-West Germanic *gaduling (“kinsman”). Cognate with Dutch gade (“spouse”), German Gatte (“male spouse, husband”). See also gadling.

Etymology from Wiktionary, CC BY-SA 3.0