Definition of opsimath in English:

opsimath

Pronunciation /ˈäpsəˌmaTH/ /ˈɑpsəˌmæθ/

noun

rare
  • A person who begins to learn or study only late in life.

    • ‘I am proud to call myself an opsimath.’

Origin

Late 19th century from Greek opsimathēs, from opse ‘late’ + the stem math- ‘learn’.