Gang-wuce

According to the Old English Dictionary:

an;

gang-wuce

f. Rogation week, the week of holy Thursday; perambŭlātiōnis septĭmāna :-- Ðis sceal on Þunres dæg, innan ðære Gang-wucan this [Gospel] must be on Thursday in the Rogation week, Rubc. Mk. Bos. 16, 14-20, notes, p. 578. Ðys Gódspel gebýraþ on Wódnes dæg, on ðære Gang-wucan to ðam uigilian this Gospel belongs to the vigil on Wednesday, in the Rogation week, Rubc. Jn. Bos. 17, 1-10, notes, p. 580. gang-wuce