#4315 προσάββατον prosabbaton {pros-ab'-bat-on}

 from G4253 and G4521; TDNT - n/a; n n

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) the day before the sabbath

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - day before the sabbath 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)