Proto-Turkic *bāj

→ English Baikal (mention)

→ Bashkir бай (inherited)

→ Bashkir байтаҡ (mention)

→ Hungarian Vajk (derived)

→ Kazakh бай (inherited)

→ Kazakh байтақ (mention)

→ Ottoman Turkish بای (inherited)

→ Turkish bay (inherited)

→ Turkish баян (inherited(tr/mn))

→ Tuvan бай (inherited)