Old Norse holm-ganga ("holmgong") is usually taken to simply mean duel, but this is not true. Norse sources explicitly distinguished between the holmgong and single combat. Luckily we have the rules of the holmgang preserved in Cormac's Saw, and from it we see that...
@PAHoyeck In terms of subject, it is about a 14 century Icon painter but it also wrestles with religious themes throughout, probably the best film there is in terms of portraying the Middle Ages. But I should warn you that there is some animal cruelty.
Gutted to hear about the passing of Chris Wickham, whose work really pushed me in direction of the Middle Ages when I first started studying history. Memory Eternal!