Dǽd-fruma

According to the Old English Dictionary:

an;

dǽd-fruma

m. [dǽd a deed, fruma II. an author, inventor] A deed-doer, perpetrator, labourer; facinoris vel facinorum auctor, actor :-- Eádmund cyning, dýre dǽdfruma king Edmund, the dear deed-doer, Chr. 942; Erl. 116, 9; Edm. 3: Andr. Kmbl. 149; An. 75. Grendel, diór dǽdfruma Grendel, the dire perpetrator, Beo. Th. 4186; B. 2090. Cain and Abel, ða dǽdfruman, dugeþa strýndon, wélan and wiste Cain and Abel, the original labourers, acquired goods, wealth and food, Cd. 46; Th. 59, 27; Gen. 970. dæd-fruma