evensong

[ee-vuh n-sawng, -song] /ˈi vənˌsɔŋ, -ˌsɒŋ/
noun
1.
(usually initial capital letter). Also called evening prayer. Anglican Church. a form of worship said or sung in the evening.
2.
vesper (def 3c).
Origin
before 1000; Middle English; Old English ǣfensang. See even2, song
British Dictionary definitions for evensong

evensong

/ˈiːvənˌsɒŋ/
noun
1.
(Church of England) Also called Evening Prayer, vespers. the daily evening service of Bible readings and prayers prescribed in the Book of Common Prayer
2.
(archaic) another name for vespers
3.
an archaic or poetic word for evening
Word Origin and History for evensong
n.

Old English æfensang; see even (n.) + song.