Eventide is defined as an old fashioned way to say evening.
(noun)An example of eventide is after the sun goes down.
See eventide in Webster's New World College Dictionary
noun
Origin: ME < OE æfentid: see evening & tide
See eventide in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Old English ǣfentīd
Origin: : ǣfen, evening
Origin: + tīd, time; see dā- in Indo-European roots
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