hovoþtiundi (OSw) höfuðtíund (ON) noun

Tithes consisting of a tenth of a person’s total assets (it has been debated whether this included land or not) paid primarily at the consecration of a church, potentially also at other occassions such as inheritance, or marriage.

capital tithe OIce KRA 10
OSw ÄVgL Kkb
OSw YVgL Kkb
greater tithe ONorw FrL KrbA 17
main-tithe ONorw EidsL 48.9 Refs:

Fritzner s.v. höfuðtíund; Förvaltningshistorisk ordbok s.v. huvudtionde; Hertzberg s.v. höfuðtíund; KLNM s.v. tiend; Runer 2012; Schlyter s.v. hovoþtiundi