noun
early Christianity; ante-Nicene Christianity
Historical term referring to the first centuries of Christianity, often up to the First Council of Nicaea (325 AD).
初期キリスト教の歴史を研究しています。
I am researching the history of early Christianity.
この写本は初期キリスト教時代のものです。
This manuscript is from the early Christian era.
Compound of 初期 (early period) and キリスト教 (Christianity).