Tuvan сес

← Southern Altai сегис (cognate)

← Kazakh сегіз (cognate)

← Kyrgyz сегиз (cognate)

← Old Turkic 𐰾𐰚𐰔 (cognate)

← Turkish sekiz (cognate)

← Proto-Turkic *sekiz (inherited)

← Uzbek sakkiz (cognate)

← Western Yugur saqïz (cognate)

→ Tuvan сески (suffix)