Of-þinen

According to the Old English Dictionary:

of-þinen

too moist (?) :-- Hig wǽron gemyndige ðæs tóweardan hungres ðý læs ða ofþinenan corn in brord gehwyrfden and hig forcurfon ða sǽd they (the ants) were mindful of future hunger, and lest the grains that were too moist should sprout, they bit them, Shrn. 41, 5. Cf. of-þænnan. of-þinen