Dreópan

According to the Old English Dictionary:

dreópan

Substitute for 'stillare . . . a-dreópan':--Drupon distillauerunt, Bl. Gl. Driópende hrófas tecta perstillantia, Kent. Gl. 1021: 689. [N. E. D. dreep. O. Sax. driópan: O. Frs. driapa: O. H. Ger. triofan: Icel. drjupa.] v. á-, ge-dreópan. dreopan