philomath
/ˈfɪləmaθ/Now chiefly historical
noun
A lover of learning; a student or scholar, especially of mathematics, natural philosophy, etc.; (formerly) specifically †an astrologer or prognosticator (obsolete ).
Origin
Early 17th century. From ancient Greek ϕιλομαθής fond of learning from ϕιλο- + μάθη learning.