Jack o'lantern (n.)youdaoicibaDictYouDict[Jack o'lantern 词源字典]
also jack-o-lantern, 1660s, a local name for a will-o-the-wisp (Latin ignis fatuus), mainly attested in East Anglia but also in southwestern England. The extension to carved pumpkins is attested by 1834, American English.[Jack o'lantern etymology, Jack o'lantern origin, 英语词源]