Polymath

Etymology

From Greek "polymathes," having learned much (poly, many + manthanein, to learn). The Renaissance ideal of the "universal man" — Leonardo the painter, engineer, and anatomist — is its emblem.

noun · /POL-ee-math/
A person of wide-ranging expertise across many unrelated fields.
What it names
Breadth of mastery as its own distinction, in an age that rewards narrow specialists.
Example
A genuine polymath, she published in physics, composed chamber music, and consulted on urban policy.
Related idea
The "Renaissance man" of the Renaissance; a polymath is often an autodidact by necessity, since no single school teaches everything.