Tursun
Literally it is an optative/benedictive form in Turkic languages meaning 'may she live' or 'let her live,' carrying the sense of wishing long life or protection.
Tursun is more common historically and ethnographically in Central Asia (Uyghur, Uzbek, Kazakh) than in western Turkey, though it appears across Turkic-speaking Muslim communities.
No. Tursun is Turkic in origin, used within Muslim communities, but it is not derived from Arabic nor found in the Quran.
Yes. Compound forms such as Tursunbibi (with honorific bibi) and other suffixes are historically attested in Central Asian naming practices.
Yes. As a lesser-known traditional Turkic name with protective meaning, Tursun can appeal to parents seeking a culturally rooted, uncommon Muslim name.