Full-cúþ

According to the Old English Dictionary:

full-cúþ

Take here ful-cúþ, and add: familiar. Cf. seld-cúþ:--Hé him ealdor gesette ús eallum fulcúðne, Brihtnóð geháten, Cht. Th. 242, 3. Hig wǽron farende þurh án wésten on hiora fulcúðne weg, Shrn. 37, 33. full-cuþ