Etymograph > Indo-European > Old English > Rules > oe-past-singular-umlaut

ī > ā if word is v-strong-1
{ēo|ū} > {ēa|ēa} if word is v-strong-2
e > æ if word is v-strong-5
i > æ / _{d|t} if word is v-strong-5

Referencing rules

oe-past-stem