when, &c. Literally in the day. being completed. The Syriac and Vulgate read "days". This refers to the completion of the seven weeks (fifty days inclusive) from the waving of the sheaf of firstfruits (Lev_23:15, Lev_23:16).
Pentecost = fiftieth (day). Greek. Pentekostos. Only here; Act_20:16. 1Co_16:8.
fully come = being fulfilled. Greek. siimpleroo. Only here and Luk_8:23; Luk_9:51.