E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
The little bell rung to give notice that the Host is approaching. Now called sanctus bell, from the words Sanctus, sanctus, sanctus, dominus, Deus Sabaoth, pronounced by the priest. (French, sacrer; Latin, sacer.)
He heard a little sacring bell ring to the elevation of a to-morrow mass.Reginald Scott: Discovery of Witchcraft (1584).