ensureyoudaoicibaDictYouDict[ensure 词源字典]
ensure: see insure
[ensure etymology, ensure origin, 英语词源]
ensure (v.)youdaoicibaDictYouDict
late 14c., from Anglo-French enseurer, from en- "make" (see en- (1)) + Old French seur "sure" (see sure); probably influenced by Old French asseurer "assure." Compare insure. Related: Ensured; ensures; ensuring.