noun

Definition: a musical or dramatic performance or social or public event held in the daytime and especially the afternoon

source: www.merriam-webster.com

French matinée, literally, morning, from Old French, from matin morning, from Latin matutinum, from neuter of matutinus of the morning, from Matuta, goddess of morning; akin to Latin maturus ripe.

I found its origins very intriguing becaus eof its very diverse source which keeps jumping form one language to another, from one form to the next.