eulogia
The practice of sending the consecrated Eucharist to those not present, or the Eucharist itself so sent.
historical
To Severus he sends "a Campanian loaf from his cell, as a eulogia," together with a boxwood casket, and begs him, as before, by accepting the loaf in the name of the Lord to convert it into a eulogia.
Where it comes from
From Latin eulogia, from Ancient Greek εὐλογῐ́ᾱ (eulogĭ́ā).
Adapted from the Wiktionary entry eulogia (CC BY-SA 4.0).