←
Proto-Germanic *tehun (derived)
←
Proto-Indo-European *déḱm̥ (derived)
←
Icelandic tíu (cognate)
←
Norwegian Bokmål ti (mention)
←
Old Norse tíu (derived)
→
Icelandic tíu (mention)
→
Norwegian Bokmål ti (cognate)
→
Norwegian Nynorsk ti (cognate)
→
Elfdalian tiu (cognate)