Turkish koyu

← Bashkir ҡуйы (cognate)

← Khakas хойығ (cognate)

← Kazakh қою (cognate)

← Yakut хойуу (cognate)

← Turkish açık (link)

← Proto-Turkic *koyug (inherited)

← Tuvan хоюг (cognate)

← Uyghur قويۇق (cognate)

← Uzbek quyuq (cognate)

→ Southern Altai койу (cognate)

→ Bashkir ҡуйы (cognate)

→ Kazakh қою (cognate)