Liþ-seáw

According to the Old English Dictionary:

es;

liþ-seáw

n. The oily matter between the joints, synovia :-- Gif mon biþ on eaxle wund ðæt ðæt liþseáw út flówe gebéte mid xxx scill., L. Alf. pol. 53; Th. i. 94, 22. Manegum men liþseáu sýhþ ... wið liþseáwe, L. M. 1, 61; Lchdm. ii. 132, 10-13. liþ-seaw