#5152 τρίστεγον tristegon {tris'-teg-on}

 neuter of a compound of G5140 and G4721 as noun; TDNT - n/a; adj

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

 1) having three roofs or stories, the third story

—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 - third loft 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)