"Form of Phoenix"
The name Pheonix is commonly a unisex name from the "Greek" origin.
Pheonix is a respelling of Phoenix, with the e and the o transposed. Phoenix is the English form of the Greek word phoinix, the name of the mythical bird that is said to be reborn from its own ashes. The two spellings are the same name and carry the same meaning; only the letter order differs.
Phoenix means "A bird that built its own pyre and then was reborn from the ashes".
The pronunciation of Pheonix is FEE-niks.