enclose (v.) Look up enclose at Dictionary.com
early 14c., from en- (1) + close, and partially from Old French enclos, past participle of enclore "surround; confine; contain." Specific sense of "to fence in waste or common ground" for the purpose of cultivation or to give it to private owners is from c.1500. Meaning "place a document with a letter for transmission" is from 1707. Related: Enclosed; enclosing.