Proto-Turkic *bu

→ Southern Altai бу (inherited)

→ Southern Altai мында (mention)

→ Shor по (inherited)

→ Shor мында (mention)

→ Dolgan бу (inherited)

→ Karaim бу (inherited)

→ Khakas пу (inherited)

→ Kazakh мұнда (mention)

→ Kazakh мында (mention)

→ Kyrgyz мында (mention)

→ Kyrgyz бул (inherited)

→ Old Turkic 𐰉𐰆 (inherited)

→ Yakut манна (mention)

→ Turkish bu (inherited)

→ Tatar бу (inherited)

→ Tuvan бо (inherited)

→ Karakhanid بُو (inherited)