Maimonides "Rambam" - Maimon Name

Definitions of Maimonides. Spanish philosopher considered the greatest Jewish scholar of the Middle Ages who codified Jewish law in the Talmud (1135-1204) synonyms: Moses Maimonides, Rabbi Moses Ben Maimon. example of: philosopher. a specialist in philosophy. Rabbi Moses Ben Maimon
Maimonides, or the Rambam, a Hebrew acronym for Rabbi Moses Ben Maimon, was born in Cordoba and was a contemporary of Averroes, a fellow Cordoban.

"However, he is most commonly known by his Greek name, Moses Maimonides"

It is what it says in his about me.

https://en.wikipedia.org/wiki/Maimonides