Dæg-sceald

According to the Old English Dictionary:

es;

dæg-sceald

m. [dæg day, sceald = scild, scyld a shield] A day shield or screen; diei velamen :-- Dægscealdes hleó wand ofer wolcnum the day shield's shade [i. e. the pillar of cloud] rolled over the clouds, Cd. 146; Th. 182, 22; Exod. 79. dæg-sceald