enlarge
v.
mid-14c., "grow fat, increase" (intrans.); c.1400, "make larger" (trans.), from Old French enlargier "to widen, increase, make larger," from en- "make, put in" (see en-(1)) + large (see large). Meaning "expand in words, speak at large" is from 1650s. Related: Enlarged; enlarging.
〔李〕[en-=to make 使；large a. 大的→] v. make larger；increase in size 扩大，扩展