go-cart (n.)youdaoicibaDictYouDict[go-cart 词源字典]
also gocart, 1670s, originally "a litter, sedan chair;" also "an infant's walker" (1680s), from go + cart (n.). Later also of hand carts (1759). The modern form go-kart (1959) was coined in reference to a kind of miniature racing car with a frame body and a two-stroke engine.[go-cart etymology, go-cart origin, 英语词源]