sacring

/ (ˈseɪkrɪŋ) /

archaic the act or ritual of consecration, esp of the Eucharist or of a bishop

Word Origin for sacring

C13: from obsolete sacren to consecrate, from Latin sacrāre; see sacred

And then the bishop made semblaunt as though he would have gone to the sacring of the mass.

Le Morte D'Arthur, Volume II (of II) |Thomas Malory
Sauncing being probably a mistake for sacring or saints bell, originally, perhaps, written saintis bell.

Folk-lore of Shakespeare |Thomas Firminger Thiselton-Dyer
Another custom of earlier times was that of ringing the sacring bell.

Legends & Romances of Brittany |Lewis Spence
Besides the peal of eight the sacring bell which once hung near the high altar is now hung in the tower.

Bell's Cathedrals: The Cathedral Church of Saint Albans |Thomas Perkins

So they came on a day, and found this dead man at the sacring of his mass, and they abode him till he had said mass.

Le Morte D'Arthur, Volume II (of II) |Thomas Malory