com·pline or Com·pline 
(kŏmplĭn, -plīn′) also com·plin or Com·plin (-plĭn)
(kŏmplĭn, -plīn′) also com·plin or Com·plin (-plĭn)n.
Ecclesiastical
Ecclesiastical
1. The last of the canonical hours, recited or sung just before retiring.
2. The time of day appointed for this service.
[Middle English, alteration (probably influenced by matines, matins) of compli, from Old French complie, from Medieval Latin (hōra) complēta, final (hour), from Latin complētus, past participle of complēre, to complete; see COMPLETE.]