諦めつく
1
to resign oneself (to);to reconcile oneself (to);to accept (e.g. defeat);to give up
See also:
諦めがつく (あきらめがつく)
他の女にとられるよりは、諦めつくもん！
I'd just be able to give up better than if you were taken by some other woman.
Other forms
諦め付く 【あきらめつく】