Where does “प्रभव” come from?

प्रभव (Sanskrit) comes from Sanskrit भव, from Sanskrit भू, from Proto-Indo-European bʰuH- — to become, grow, appear.

प्रभव (Sanskrit): prominent, excelling, distinguished; production,...

Definitions

प्रभव traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Sanskrit	भव	coming into existence, birth, production, origin (= भाव Vop.; ifc., with f(आ). = arising or produced from, being in, relating to) Yājñ. MBh. Kāv. &c
2	Sanskrit	भू	the act of becoming or arising; the place of...
3	Proto-Indo-European	bʰuH-	to become, grow, appear

Step	Language	Word	Meaning
1	Sanskrit	प्र	before; forwards; forth; very, excessive, much;...