Proto-Turkic *āŕ

→ Southern Altai ас (inherited)

→ Bashkir әҙ (inherited)

→ Gagauz az (inherited)

→ Kazakh аз (inherited)

→ Kumyk аз (inherited)

→ Old Turkic 𐰀𐰕 (inherited)

→ Turkish as (mention)

→ Turkish az (inherited)

→ Karakhanid اازْ (inherited)