Ofer-flítan

According to the Old English Dictionary:

ofer-flítan

to overcome in a contest, to confute :-- Hé ðé æt sunde oferflát, hæfde máre mægen, Beo. Th. 1039; B. 517. Ymb done tíman wæs gegaderad iii. hund biscepa and eahtatiéne hiene tó oferflítanne (to confute Arius), Ors. 6, 30; Swt. 284, 1. ofer-flitan