Original: The term '' Mass '' is derived from the Late Latin word missa ( dismissal ) , a word used in the concluding formula of Mass in Latin : '' Ite , missa est '' ( '' Go ; it is the dismissal '' ) .
Simplified: The term comes from the late-Latin word missa ( dismissal ) , a word used in the concluding formula of Mass in Latin : '' Ite , missa est '' ( '' Go , it is the dismissal '' ) .