Icelandic sjö

← Proto-Germanic *sebun (derived)

← Proto-Germanic (mention)

← Proto-Indo-European *septḿ̥ (derived)

← Old Norse sjau (derived)

→ English seven (cognate)

→ Alemannic German sibe (cognate)

→ Icelandic sjö þúsund (mention)

→ Icelandic sjöa (mention)

→ Icelandic sjöræður (affix)