[iowamark]

The early Church’s liturgy was in Greek. The western Church switched to Latin gradually in the second or third century. Several of the Eastern Catholic Churches use Greek to this day.

Kyrie, eleison; “Lord, have mercy” is one of the surviving Greek phrases in the Latin liturgy.

[Iscool]

The early Church’s liturgy was in Greek. The western Church switched to Latin gradually in the second or third century. Several of the Eastern Catholic Churches use Greek to this day.

That seems to contradict some of the self-proclaimed Catholic experts in this thread...