Wil-dæg

According to the Old English Dictionary:

es;

wil-dæg

m. A welcome day :-- On dam wildæge. Exon. Th. 29, 7 ; Cri. 459. [Muchel wes þa murde þe þat folc makode, and beo Godd thonkeden þat heo heora wildaȝes wælden weoren, Laym. 1798.] wil-dæg