# Tersanctus

> English word · Proper noun

## Definitions
1. The Trisagion (beginning “Holy God, Holy Mighty, Holy Immortal …”).
2. The Sanctus (beginning “Holy, holy, holy, Lord God of hosts …”).

## Etymology
Borrowed from Ecclesiastical Latin tersānctus, from ter (“thrice”) + sānctus (“holy”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/tersanctus