Wiþer-sínes
Bosworth & Toller Anglo-Saxon Old English Dictionary - wiþer-sínes
According to the Old English Dictionary:
(-sýnes);
- wiþer-sínes
- ad (v. widder-sinnis in Jamieson's Dictionary), backwards :-- Steorran yrnaþ wiþersýnes the course of the stars shall be reversed, Blickl. Homl. 93, 19. wiþer-sines