Norwegian Bokmål tjern

← Danish tjern (cognate)

← English tarn (cognate)

← Faroese tjørn (cognate)

← Proto-Germanic *ternō (inherited)

← Proto-Indo-European *der- (root)

← Proto-Indo-European *der- (inherited)

← Icelandic tjörn (cognate)

← Old Norse tjarn (inherited)

← Old Norse tjǫrn (mention)

← Swedish tjärn (cognate)

→ English tarn (cognate)

→ Norwegian Bokmål vann (link)

→ Norwegian Bokmål kjønn (link)