IPA: /ˈpɒlɪmæθi/
KK: /pɑˈlɪməθi/
The ability to understand and learn about many different subjects or fields of study.
Her polymathy allowed her to excel in both science and the arts.
Polymathy → It is formed from "poly-" (from Greek "polus", meaning many) and "mathia" (from Greek "mathesis", meaning learning or knowledge). The word "polymathy" refers to the state of having knowledge in many subjects or fields.
Think of 'many' ('poly-') areas of 'knowledge' ('mathia') — that's why polymathy means having knowledge in many different subjects.
No commonly confused words.