define
v.
late 14c., "to specify; to end," from Old French defenir, definir "to finish, conclude, come to an end; bring to an end; define, determine with precision," and directly from Latin definire "to limit, determine, explain," from de- "completely" (see de-) + finire "to bound, limit," from finis "boundary, end" (see finish, v.). Related: Defined; defining.
〔李〕[de-=down下；fin=limit界限；-e→“to set down the limits定下界限”→] v.① make out limits of;make clear in outline划出界限；规定