Fourth Council of Constantinople

9.9

A meeting of church leaders in 869–870 that condemned Photius and helped cause the split between eastern and western churches

proper noun

: Cuarto Concilio de Constantinopla

Historians often reference the Fourth Council of Constantinople when discussing the roots of the East–West Schism.

Examples

At the Fourth Council of Constantinople, the legitimacy of Photius's position as patriarch was debated intensely.
The Fourth Council of Constantinople marked a turning point in the history of the Christian church.
The Fourth Council of Constantinople was a significant event in church history.
Did the Fourth Council of Constantinople really condemn Photius?
At the Fourth Council of Constantinople, the legitimacy of Photius's position as patriarch was debated intensely.
Historians often reference the Fourth Council of Constantinople when discussing the roots of the East–West Schism.
The Fourth Council of Constantinople marked a turning point in the history of the Christian church.

Surface Forms

Fourth Council of Constantinople main

Morphology

fourth + council + of + Constantinople

The phrase is compositionally built from an ordinal ('fourth') + institution type ('council') + location ('of Constantinople'), so a B1 learner who knows the constituents can infer it denotes the fourth ecclesiastical assembly held in Constantinople. Specific historical details (dates, decisions, persons involved) are not derivable from the parts, but the basic referential meaning is transparent and follows common cross-linguistic patterns.

Etymology

Fourth Council of Constantinople is the name for the fourth big meeting of church leaders: Fourth shows it was the fourth time, Council means a meeting of church leaders, and Constantinople is the city named after Emperor Constantine. At that 869–870 meeting the leaders 'rejected' Photius and this helped the eastern and western churches grow apart, so today the name refers to that important church event.