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
Origin: ME < OE æfentid: see evening & tide
See eventide in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English ǣfentīd
Origin: : ǣfen, evening
Origin: + tīd, time; see dā- in Indo-European roots.
Learn more about eventide