endless (adj.)youdaoicibaDictYouDict[endless 词源字典]
Old English endeleas "boundless, eternal;" see end (n.) + -less. Compare Old Saxon endilos, Dutch eindeloos, German endlos. Related: Endlessly; endlessness. Old English used endeleasnes for "infinity, eternity."[endless etymology, endless origin, 英语词源]
friendless (adj.)youdaoicibaDictYouDict
Old English freondleas "friendless," also "orphan," and, as a noun, "an outlaw;" see friend (n.) + -less. Related: Friendlessly; friendlessness.