A-weorþan
Bosworth & Toller Anglo-Saxon Old English Dictionary - a-weorþan
According to the Old English Dictionary:
a-wurþan, ic -weorþe, -wurþe, ðú -wyrst, he -weorþeþ, -wyrþeþ, -wurþeþ, -wyrþ,
- a-weorþan
- pl. -weorþaþ, -wurþaþ; p. -wearþ, pl. -wurdon; pp. -worden; [a from, away, weorþan to become] To cease to be, become insipid or worthless; evanescere :-- Gyf ðæt sealt awyrþ if the salt become insipid, Mt. Bos. 5, 13: Lk. Bos. 14, 34. Ðú awordena raca, Mt. Bos. 5, 22. a-weorþan