Icelandic tíu

← Danish ti (mention)

← Proto-Germanic *tehun (derived)

← Proto-Indo-European *déḱm̥ (derived)

← Old Norse tíu (derived)

← Swedish tio (mention)

→ Faroese tíggju (cognate)

→ Alemannic German zää (cognate)

→ Icelandic þrjátíu (compound)

→ Icelandic tía (mention)

→ Luxembourgish zéng (cognate)

→ Norwegian Bokmål ti (cognate)

→ Norwegian Nynorsk ti (cognate)

→ Swedish tio (cognate)