without (adv., prep.)youdaoicibaDictYouDict[without 词源字典]
Old English wiðutan "outside of, from outside," literally "against the outside" (opposite of within), see with + out (adv.). As a word expressing lack or want of something (opposite of with), attested from c. 1200. In use by late 14c. as a conjunction, short for without that.[without etymology, without origin, 英语词源]