Mǽg-morðor

According to the Old English Dictionary:

es;

mǽg-morðor

n. Murder of a kinsman:--Mǽgmorðor parricidium, Hpt. Gl. 519, 74. Mǽgmorðres wítnung parricidii actio, Ælfc. Gl. 14; Som. 58, 15; Wrt. Voc. 21, 10. [Cf. O. H. Ger. mág-mord parricidium.] mæg-morðor