Turkish çağ

← Ottoman Turkish چاغ (inherited)

← Proto-Turkic *čiāk (inherited)

→ Azerbaijani çağ (cognate)

→ Bashkir саҡ (cognate)

→ Kazakh шақ (cognate)

→ Northern Kurdish çax (borrowed)

→ Turkish çağdaş (affix)

→ Tuvan шаг (cognate)

→ Tuvan шак (cognate)

→ Zazaki çax (mention)