Snelness

According to the Old English Dictionary:

e;

snelness

f. Quickness, readiness, activity, agility:--Hé slóh swá hé hine (the ball) nǽfre feallan ne lét. Se cyngc ðá oncneów ðæs iungan snelnesse, ðæt hé wiste ðæt hé næfde his gelícan on ðam plegan, Ap. Th. 13, 7. snelness