On-drincan

According to the Old English Dictionary:

on-drincan

to drink of (with gen.) :-- Ða ðe on wege weorðaþ wætres æt hlimman deópes ondrincaþ de torrente in via bebet, Ps. Th. 109, 8. Ðá ondranc se ðæs wætres, and sealde hit ðæm bréðer . . . and se ondranc eác ðæs wætres, Shrn. 64, 11-12. Bæd ðæt hé him ousende wínes ondrincan, Bd. 5, 5; S. 618, 11. Sioððan hié hæfdon ondruncen ðæs wætres potata aqua, Nar. 13, 28. on-drincan