Définition de Strong (anglais)second-first, i.e. (specially) 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)
Traductions anglaises (KJV) : second … after the first
Origine : from G1208 (δεύτερος) and G4413 (πρῶτος);