Wisnian
Bosworth & Toller Anglo-Saxon Old English Dictionary - wisnian
According to the Old English Dictionary:
weosnian;
- wisnian
- p. ode To wizen, dry up:--Wisnaþ (-eþ, Lind.) aruit, Jn. Skt. Rush. 15, 6. Ðá wisnode hé on Cristes háligra heortum, and is nú on úrum heortum blówende, Blickl. Homl. 115, 13. Weosniendre arida, Wrt. Voc. ii. 3, 53. [O. H. Ger. wesanén arescere, marcescere: Icel. visna to wither.]