sagemannus

sagemannus [AS secga, secgan+AS mann], one who tells or provides information, informer, informant. nec verius inde scio quam mihi ~us meus dixit [AS: bute swa min secga me sæde] (Quad.) GAS 397; in causis ubi judex ‥ aliquem inplacitet ‥ sine alio accusatore, sine ~o, sine investitura (Leg. Hen. 63.1) Ib. 583.