Wund-wácu

According to the Old English Dictionary:

(?)

wund-wácu

a wound-weakness, a wound, sore :-- Swá benne ne burnon ne burston, ne fundian ne feologan ne hoppetan, ne wundwáco sían (sores may not run), ne dolh diópian, Lchdm. ii. 352, 2. Cf. wác; n. wund-wacu