From Ottoman Turkish قاوشمق (kavuşmak), from Old Anatolian Turkish [script needed] (qavušmaq), from [Term?], from Proto-Turkic *kab-. Cognate with Kazakh қауысу (qauysu), Azerbaijani qovuşmaq, etc.
Practice speaking and memorizing "kavuşmak" and many other words and sentences in Turkish.