Church Of The East Definition

The church originally made up of the Christians of the Sasanid Empire , later known as the Nestorian church and characterised by its use of the East Syriac liturgical rite .

Wiktionary

Any of the modern successors of that church following its schisms since the 16th century, in particular the Ancient Church of the East , Assyrian Church of the East , and Chaldean Catholic Church , or all of these considered together.

Wiktionary

Origin of Church Of The East

From Classical Syriac CHURCH OF THE EAST ܥܕܬܐ ܕܡܕܢܚܐ ‎ (ʿĒḏtā d-Maḏenḥā), so called as it predominated to the east of the border of the Christian Roman Empire . Used as a proper noun in English from 1890s.

From Wiktionary