extend (v.) Look up extend at Dictionary.com
early 14c., "to value, assess;" late 14c. "to stretch out, lengthen," from Anglo-French estendre (late 13c.), Old French estendre "stretch out, extend, increase," from Latin extendere "stretch out," from ex- "out" (see ex-) + tendere "to stretch" (see tenet). Related: Extended; extending.