nefgildismaðr (ON) noun

A nefgildismaðr, ‘cognatic kinsman’, was a near kinsman on the female side. In the GuL the circle of cognatic kinsmen extended up to and including first cousins.

cognate kinsfolk ONorw FrL Mhb 34 ArbB 20
cognate who has to pay or receive {nefgildi} ONorw GuL Krb, Løb, Tfb, Mhb, Olb
cognate-payment kinsman OIce Grg Bat 113
OIce Js Mah 13, 34 Kab 2
ONorw FrL KrbB 1 Mhb 7, 9 Sab 15
kinsman on the mother’s side ONorw FrL Var 9 ArbB 8 Refs:

Hertzberg s.v. nefgildismaðr; KLNM s.v.v. nefgildi, straff; værge I; RGA² s.v. ringgeld; Robberstad 1981, 343