Original sentence: (In time, Western Christianity adopted the term Pentecost to refer to the last Sunday of Eastertide, the fiftieth day.Standing was the normative posture for prayer at this time, as it still is among the Eastern Orthodox.prohibition of kneeling during the liturgy, on Sundays and in the fifty days of Eastertide ["the pentecost"]
Edited sentence: (In time, the term Pentecost came to refer to the last Sunday of Eastertime, the fiftieth day.Standing, then, during this time was the normative posture for prayer.prohibition of kneeling during the liturgy, on Sundays and in the fifty days of Eastertime ["the pentecost"]