Danish torn

← Proto-Germanic *þurnuz (inherited)

← Proto-Indo-European *tr̥nós (inherited)

← Proto-Indo-European *(s)ter- (mention)

← Old Norse þorn (inherited)

→ Danish tjørn (cognate)

→ Danish tornløs (affix)

→ Danish tornblad (compound)

→ German Dorn (cognate)

→ Faroese torn (cognate)

→ Icelandic þyrnir (cognate)

→ Norwegian Bokmål torn (cognate)

→ Norwegian Nynorsk torn (cognate)

→ Swedish törne (cognate)