Mass
"Euxaristo" means "thank you" in Greek, and the word "eucharist" comes from this word. It basically means "thanks-giving," "gratitude," or "grace."
celebration
The word is fete. It means a celebration or festival.
Celebration means the same thing as party.
party scene?
Catholic AnswerThe word, "Mass" to refer to the Eucharist comes from the dismissal in the older rite, in Latin it was "Ite missa est" - which is an archaic form roughly meaning, Go, it is sent, which has been variously translated to mean either that the offering to God has been sent, or that the people are sent out as the Sacrifice is over. Either way, the modern word, "Mass" was a corruption of the "Missa" used to refer to the whole Sacrifice of the Eucharist.
Centennial
The word with a Latin root that means "one who is sent" is "emissary."
To make merry is a celebration.
it means "sent".
The suffix -tion in celebration means an action or state of. In this word, it'd roughly translate to the action of celebrating.
Corroboree