←
Old English niġon (mention)
←
Proto-Germanic *newun (derived)
←
Old Swedish nio (derived)
←
Old High German niun (mention)
←
Proto-Indo-European *h₁néwn̥ (derived)
←
Icelandic níu (mention)
←
Old Norse níu (derived)
←
Old Frisian nigun (mention)
→
Icelandic níu (cognate)
→
Norwegian Bokmål ni (cognate)
→
Elfdalian niu (cognate)