←
Classical Mongolian (inherited)
←
Chuvash кӑкӑр (cognate)
←
Turkish göğüs (cognate)
←
Proto-Turkic *kȫk (cognate)
←
Proto-Turkic *kögüz (derived)
←
Proto-Turkic *kögüŕ (mention)
←
Proto-Mongolic *köke (inherited)
←
Proto-Mongolic *kökün (inherited)
←
Middle Mongolian ᠬᠥᠬᠦᠨ (inherited)
→
Manchu ᡥᡠᡥᡠᠨ (borrowed)