Etymograph > Indo-European > Old Norse > Rules > on-past-plural-umlaut

Source: Viking Language 8.8

í > i if word is v-strong-1
{jú|jó|ú} > u if word is v-strong-2
{ja|já|e|i} > u if word is v-strong-3
e > á if word is v-strong-4
{e|i} > á if word is v-strong-5
{a|e|æ} > ó if word is v-strong-6
á > é if word is v-strong-7

Post instructions

Referencing rules

on-plural-past-stem