Inherited from Ottoman Turkish قایغو (kayğu), from Proto-Turkic *kadgu (“sorrow”). Cognate with Azerbaijani qayğı, Uzbek qaygʻu, Chuvash хуйхӑ (hujh̬ă, “grief, sorrow”), Kazakh қайғы (qaiğy).
Practica parlar i memoritzar " kaygı " i moltes altres paraules i frases a turc .