Strong's Concordance G1207

Original Word: δευτερόπρωτος
Transliteration: deuteróprōtos
Phonetic Spelling: dyoo-ter-op'-ro-tos
[δευτερόπρωτος] from G1208 and G4413; 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)

Usages throughout the bible

Luke 6:1 - And it came to pass on the second G1207 sabbath after the first, G1207 that he went through the corn fields; and his disciples plucked the ears of corn, and did eat, rubbing them in their hands.