Proto-Germanic *þridjô

→ English third (inherited)

→ English riding (derived)

→ Old English þridda (inherited)

→ Danish tredje (inherited)

→ Middle Dutch derde (inherited)

→ Middle English thridde (inherited)

→ Faroese triði (derived)

→ West Frisian tredde (inherited)

→ Westrobothnian tridi (inherited)

→ Old Swedish þriþi (inherited)

→ Gothic 𐌸𐍂𐌹𐌳𐌾𐌰 (inherited)

→ Icelandic þriðji (inherited)

→ Latin tertius (cognate)

→ Dutch derde (inherited)

→ Old Norse þriði (inherited)

→ Old Frisian thredda (inherited)

→ Swedish tredje (inherited)

→ Yiddish דריט (inherited)