In-seglung

According to the Old English Dictionary:

e;

in-seglung

f. A sealing, seal :-- Ic bidde ðé for godes lufan ðæt ðú mé unlýse ða insæglunge I pray thee for the love of God that thou unloose for me the seal, Homl. Skt. 3, 537. [Icel. inn-siglan sealing.] in-seglung