Quick answer
Cambyses is a boy name.
Meaning and history
Latin form of Καμβύσης (Kambyses), the Greek form of the Old Persian name 𐎣𐎲𐎢𐎪𐎡𐎹 (Kabujiya), which is of uncertain meaning, possibly related to the geographical name Kamboja, a historical region in Central Asia. Two Persian kings bore this name, including Cambyses II, the second ruler of the Achaemenid Empire, who conquered Egypt.
Notes and context
Usage: old persian, history | Old Persian: 𐎣𐎲𐎢𐎪𐎡𐎹