Thanks to the Arabs, Islam spread in the region.
thanks to, with the help of, because of
Inherited from Ottoman Turkish سایهسنده (sâyesinde). By surface analysis, saye (“shadow; fig. protection, aid”) + -(s)i (possessive suffix with "s" as buffer consonant) + -(n)de (locative suffix), literally “in the shadow of (him/her/it)”.
Practica parlar i memoritzar " sayesinde " i moltes altres paraules i frases a turc .