Azerbaijani çağ

← Crimean Tatar çağ (cognate)

← Chuvash чух (cognate)

← German [[Maß]] [[einer]] [[Sache]] (mention)

← Persian چاق (cognate)

← Yakut сах (cognate)

← Turkmen çag (cognate)

← Turkish çağ (cognate)

← Proto-Turkic *čiāk (inherited)

← Tatar чак (cognate)

← Uyghur چاغ (cognate)

← Uzbek chogʻ (cognate)

→ Azerbaijani çağdaş (affix)

→ Azerbaijani naçaq (prefix)

→ Persian چاق (cognate)

→ Ottoman Turkish چاغ (cognate)

→ Talysh çok (cognate)