Obs. Forms: 1 ǽdre, édre, æddre, 3 eddre. [OE. ǽdre = OFris. eddere, eddre, OHG. âdara, âdra (Du., Ger. ader), OSw. áþra (Sw. ådra):—OTeut. *æđrôn-; cogn. w. ON. ǽð-r (repr. OTeut. type *æđi-z), of same meaning; the Gr. ἦτορ heart, ἦτρον belly, may be ultimately connected.] A blood-vessel, vein.
Beowulf, 2967 (Gr.). Swat ædrum sprong forð under fexe.
c. 1000. Ags. Ps. lxxii[i]. 17 (Gr.). Wærun mine ædra ealle tolysde.
a. 1225. Ancr. R., 258. Men … hudeð ham hwon heo beoð ileten blod on one erm eddre.
a. 1300. Vox & Wolf, 45. Ich have hem leten eddre blod.
