Friþ-borh

According to the Old English Dictionary:

friþ-borh

gen. -borges; m. A peace or frank-pledge, peace-surety; pācis fidejussio, L. Ed. C. 20; Th. i. 450, 24, 29; 451, 2, 4, 7: 21; Th. i. 451, 19, 20: 28; Th. i. 454, 18, 22.

Related words: Stubbs' Const. Hist. i. 87. friþ-borh