Southern Altai јас

← Khakas час (cognate)

← Kazakh жаз (cognate)

← Kyrgyz жаз (cognate)

← Yakut саас (cognate)

← Turkish yaz (cognate)

← Proto-Turkic *jāŕ (inherited)

← Tuvan час (cognate)

→ Bashkir яҙ (cognate)

→ Kazakh жаз (cognate)