G1207
δευτερόπρωτος
deuteroprōtos
dyoo-ter-op‘-ro-tos
From 1208 and 4413 second first, that is, (specifically) a designation of the Sabbath immediately after the Paschal week (being the second after Passover day, and the first of the seven Sabbaths intervening before Pentecost): - second . . . after the first.