af·​ter·​night | \ ˈaf-tər-ˌnīt\

Definition of afternight

chiefly dialectal

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First Known Use of afternight

1836, in the meaning defined above

History and Etymology for afternight

from the phrase after night “in the evening,” from after entry 2 + night entry 1 in sense “nightfall”

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The first known use of afternight was in 1836

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