What is "nahmanides"

Nahmanides [Nah-man-nid-ez] (רבי משה בן נחמן), also known as Rabbi Moses ben Naḥman Girondi, Bonastruc ça (de) Porta and by his acronym Ramban (;1194–1270), was a leading medieval Jewish scholar, Spanish Sephardic rabbi, philosopher, physician, kabbalist, and biblical commentator. He was raised, studied, and lived for most of his life in Girona, Catalonia, Spain.