G5152 τρίστεγον (trístegon)

KJV renderings: third loft
Strong's definition: a third roof (story)
Derivation: neuter of a compound of G5140 (τρεῖς) and G4721 (στέγη) as noun;

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.