Ge-blendan

According to the Old English Dictionary:

ge-blendan

p. -blende; pp. -blended, -blend [ge, blendan to blind] To blind, make blind; cæcāre :-- Gé habbaþ eówre heortan geblende ye have your hearts blinded, Mk. Bos. 8, 17. [Goth. ga-blindjan.] ge-blendan