Tó-hreósan

According to the Old English Dictionary:

tó-hreósan

p. -hreás; pl. -hruron ; pp. -hroren To fall to pieces. I. of buildings, to go to ruin :-- Monige óþre ceastre tóhrorene wǽron multis eivitatibus conlapsis, Bd. 1, 13; S. 482, 8. Mynstru tórorene coenobia dirula, Anglia xiii. 366, 12. II. of flesh, to decay, rot away :-- Beóþ ða líchaman tohrorene (cf. gebrosnode, 148, 24) and tó duste gewordene, Wulfst. 263, 9. Beóþ fingras tóhrorene, Soul Kmb'. 219 ; Seel. 112. [Portchestre, al heo gunnen toreosen (todrese, 2nd MS.), mid fure and mid fehte foruaren. Laym. 9245. pus Portchestre toræs (toreos, 2nd MS.), & nauere seodden heo ne aras, 9426.] to-hreosan