Niht-wæcce

According to the Old English Dictionary:

an;

niht-wæcce

f. A night-watch, vigil :-- Nihtwæccan vigiliae, Wrt. Voc. i. 18, 22. Hyrdas wǽron waciende and nihtwæccan (-wæcan, MS. C.) healdende pastores erant vigilantes et custodientes vigilias noctis, Lk. Skt. 2, 8. [Icel. nátt-vaka : O. H. Ger. naht-wacha vigilia.] niht-wæcce