hrísungr (ON) noun

A derogatory term for a son of a free man and a, later freed, slave woman (OIce), or a son conceived secretely by free parents (ONorw), probably alluding to a conception in the forest. OIce hrísungr was not entitled to any inheritance, in contrast to a hornungr (q.v.) who was acknowledged by the father.

scrubling OIce Grg Arþ 118
ONorw FrL ArbA 8 Rgb 47
ONorw GuL Løb, Arb Refs:

Clunies Ross 1985, 16; KLNM s.v. oäkta barn; Ney 1998, 107−08; Schlyter s.v. rishofþe