Fór-tymbrian

According to the Old English Dictionary:

fór-tymbrian

p. ode, ede; pp. od, ed To build before or in front of, stop up, obstruct; obstruĕre :-- Fórtymbred is múþ sprecendra unrihtu obstructum est os lŏquentium inīqua, Ps. Spl. C. 62, 10. for-tymbrian