Heáfod-ǽdre

According to the Old English Dictionary:

e;

heáfod-ǽdre

f. The cephalick vein :-- Lǽt him blód on ðam winestran earme of ðære heáfodǽdre let blood from the cephalick vein in his left arm, L. M. 2, 42; Lchdm. ii. 254, 7. heafod-ædre