Acts 2:1

Was fully come [σ υ μ π λ η ρ ο υ σ θ α ι]. Used by Luke only. See on Luke 9:51. Lit., as Rev., margin, was being fulfilled. The day, according to the Hebrew mode, is conceived as a measure to be filled up. So long as the day had not yet arrived, the measure was not full. The words denote in process of fulfillment.

Pentecost. Meaning fiftieth; because occurring on the fiftieth day, calculated from the second day of unleavened bread. In the Old Testament it is called the feast of weeks, and the feast of harvest. Its primary object was to thank God for the blessings of harvest. See Deuteronomy 16:10; Deuteronomy 16:11.

With one accord [ο μ ο θ υ μ α δ ο ν]. The best texts substitute oJmou, together. So Rev.