Turkish kuğu

← Shor қуу (cognate)

← Ottoman Turkish قوغو (inherited)

← Old Turkic 𐰴𐰆𐰍𐰆 (cognate)

← Turkmen guw (cognate)

← Proto-Turkic *kugu (inherited)

← Karakhanid قُغُو (cognate)

→ Southern Altai куу (cognate)

→ Shor қуу (cognate)

→ Persian قو (cognate)

→ Kazakh аққу (cognate)

→ Old Turkic 𐰴𐰆𐰍𐰆 (cognate)

→ Turkmen guw (cognate)

→ Tuvan куу (cognate)