←
Proto-Germanic *-ōniz (inherited)
←
Proto-Germanic *-anē (inherited)
→
Icelandic -un (inherited)
→
Old Norse tapan (suffix)
→
Old Norse togan (suffix)
→
Old Norse neðan (mention)
→
Old Norse þaðan (mention)
→
Old Norse smán (suffix)
→
Old Norse dagan (suffix)
→
Old Norse héðan (mention)
→
Old Norse þján (suffix)
→
Old Norse viðan (suffix)