en·tire / enˈtīr/ • adj. with no part left out; whole: my plans are to travel the entire world. ∎  not broken or decayed. ∎  without qualification or reservations; absolute: an ideological system with which he is in entire agreement. ∎  Bot. (of a leaf) without indentations or division into leaflets.ORIGIN: late Middle English (formerly also as intire): from Old French entier, based on Latin integer ‘untouched, whole,’ from in- ‘not’ + tangere ‘to touch.’

entire XIV. ME. ent(i)er — AN. enter, (O)F. entier :- Rom. *integro, for L. integrum (nom. integer), f. IN-2 + *tag-, base of tangere touch.
So entirety, XVI.

entire Applied to a leaf whose margin is undivided.