notwithstanding (prep.)youdaoicibaDictYouDict[notwithstanding 词源字典]
late 14c., notwiþstondynge, from not + present participle of the verb withstand. A loan-translation of Medieval Latin non obstante "being no hindrance," from ablative of obstans, present participle of obstare "stand opposite to" (see obstacle). As an adverb and as a conjunction from early 15c.[notwithstanding etymology, notwithstanding origin, 英语词源]