itäkatolisen
Itäkatolinen refers to Eastern Catholic Churches, which are Eastern Rite churches in full communion with the Pope of Rome. These churches are distinct from the Latin Rite of the Catholic Church, which is the largest and most widespread tradition. Eastern Catholic Churches retain their own unique liturgical, theological, and spiritual traditions, which often have roots in the early centuries of Christianity and are distinct from those of the Roman Catholic Church.
The origins of the Eastern Catholic Churches can be traced back to the Great Schism of 1054,