Where does “مصطفى” come from?

مصطفى (Arabic) comes from Arabic اِصْطَفَى, from Arabic ف, from Arabic نَفِدَ — to run out, to give out.

مصطفى (Arabic): chosen

Definitions

Step	Language	Word	Meaning
1	Arabic	اِصْطَفَى	choose
2	Arabic	ف	then, and then; and so, thus, hence, therefore;...
3	Arabic	نَفِدَ	to run out, to give out

مصطفى — Etymology, Origin & Word History | Etymology Explorer