Eventide is defined as an old fashioned way to say evening.
An example of eventide is after the sun goes down.
The mist rises from the lake at eventide.
Origin of eventide
- Middle English from Old English ǣfentīd ǣfen evening tīd time dā- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- Middle English, from Old English æfentid : æfen (evening) + tid (time)