Definition of autumnity in English:

autumnity

Pronunciation /ɔːˈtʌmnɪti/

See synonyms for autumnity

noun

rare
  • The season of autumn. In later use chiefly figurative: the period of life when a person is no longer young; (one's) middle age.

Origin

Late 16th century; earliest use found in Joseph Hall (1574–1656), bishop of Norwich, religious writer, and satirist. From autumn + -ity, originally after classical Latin autumnitās season or produce of autumn.