missa privata

Etymology
“Low Mass” is the original sense, from, “deprived”. The sense “private Mass” is probably from conflation with later cognates of prīvātus, e.g. 🇨🇬, 🇨🇬.

Noun

 * 1) Low Mass Mass that is not sung
 * 2) private Mass Mass with no congregation present or communicating
 * 1) private Mass Mass with no congregation present or communicating