- re-enforce (v.)
[re-enforce 词源字典]
- also reenforce, 1580s, "to give fresh strength to," from re- "back, again" + enforce (v.). Originally of persons or military units; of buildings, structures, etc., attested from 1883. Related: Re-enforced; re-enforcing.[re-enforce etymology, re-enforce origin, 英语词源]