Old Norse -aðr

← Proto-Germanic *-ōdaz (inherited)

← Proto-Norse *-ᛟᚦᚢᛉ (inherited)

← Old Norse -naðr (cognate)

→ Icelandic fjáður (affix)

→ Norwegian Bokmål -ete (derived)

→ Norwegian Nynorsk -ete (derived)

→ Old Norse -naðr (mention)

→ Old Norse hjalmaðr (suffix)

→ Old Norse sakaðr (suffix)

→ Old Norse aldraðr (suffix)

→ Old Norse fiðraðr (suffix)

→ Old Norse fjaðraðr (suffix)

→ Old Norse ǫlvaðr (suffix)

→ Old Norse jǫklaðr (suffix)

→ Old Norse trúaðr (suffix)

→ Old Norse fjǫlhǫfðaðr (affix)