Where does “سرفراز” come from?

سرفراز (Classical Persian) comes from Classical Persian سر, from Sanskrit शूल, from Proto-Indo-Aryan śúHlas, from Proto-Indo-Iranian ćúHlas, from Proto-Indo-European ḱúh₃-los, from Proto-Indo-European ḱeh₃- — to sharpen, whet; sharpen.

Ancestry of “سرفراز”, step by step

Step	Language	Word	Meaning
1	Classical Persian	سر	—
2	Sanskrit	शूल	any sharp instrument or pointed dart, lance,...
3	Proto-Indo-Aryan	śúHlas	—
4	Proto-Indo-Iranian	ćúHlas	—
5	Proto-Indo-European	ḱúh₃-los	—
6	Proto-Indo-European	ḱeh₃-	to sharpen, whet; sharpen

Every word from Proto-Indo-European ḱeh₃- →Every word from Proto-Indo-European ḱúh₃-los →Every word from Proto-Indo-Iranian ćúHlas →