late 14c., "one who goes on foot, a walker," agent noun of go (v.). From mid-13c. as a surname. Of a horse, especially of one that goes fast (1690s); hence transferred use, of persons, "one who lives loosely" (c. 1810).
godparent
godsend
godson
godspeed
Godward
goer
goes
gofer
go-getter
goggle
goggle-eyed