English

eveningness

From evening + -ness.

Formed from evening + -ness

Proto-Germanic *ēbanþs

…

Old English ǣfen ‘eve’

Old English ǣfnian ‘to become evening’

Old English ǣfnung

Middle English evening

Today it means

noun The characteristic of being most active and alert during the evening; being a night owl.

Language periods are conventional ranges, not dates for this word.

Etymograph / eveningness