Noun pentēkostē (Pentecost) in the Gospels-Acts

(Translation from NRSV)

Acts

2: 1When the day of Pentecost (pentēkostē) had come, they were all together in one place.
20: 16For Paul had decided to sail past Ephesus, so that he might not have to spend time in Asia; he was eager to be in Jerusalem, if possible, on the day of Pentecost (pentēkostē).