Meaning of autumnally in English:

autumnally

Pronunciation /ɔːˈtʌmn(ə)li/ /ɔːˈtʌmnəli/

adverb

  • In a manner characteristic or reminiscent of autumn; specifically with autumnal colours.

Origin

Mid 18th century; earliest use found in Jonathan Richardson (1667–1745), portrait painter and writer. From autumnal + -ly.