tacet

musical direction

ta·​cet ˈtā-sət  ˈta-sət  ˈtä-ˌket 

—used as a direction in music to indicate that an instrument is not to play during a movement or long section

Word History

Etymology

Latin, literally, (it) is silent, from tacēre to be silent — more at tacit

First Known Use

circa 1724, in the meaning defined above