Old Norse þráðr

← Old English þræd (cognate)

← Proto-Germanic *þrēduz (inherited)

← Old High German drāt (cognate)

← Proto-Indo-European *treh₁-tu- (derived)

← Proto-Indo-European *terh₁- (mention)

← Old Frisian thrēd (cognate)

← Old Saxon thrād (cognate)

→ Old English þræd (cognate)

→ Danish tråd (inherited)

→ Faroese tráður (derived)

→ Westrobothnian trå (inherited)

→ Icelandic þráður (inherited)

→ Norwegian Bokmål tråd (inherited)

→ Norwegian Nynorsk tråd (inherited)

→ Norn tråð (derived)

→ Swedish tråd (inherited)