Ge-hwætness, e

According to the Old English Dictionary:

ge-hwætness, e

f. Quickness, rapid movement :-- Atomes . . . rīmcræftige men ōderwhīle hātad for his gehwætnysse momentum (cf. Momentum . . . hē ys gecweden for þǣra tungla hwætnysse momentum, 6), Angl. viii. 318, 37. ge-hwætness