Strong's G5009 — ταμεῖον (noun)
tameion (tam-ei`-on) n.
1. a dispensary or magazine, i.e. a chamber on the ground-floor or interior of an Oriental house (generally used for storage or privacy, a spot for retirement)
[neuter contraction of a presumed derivative of tamias (a dispenser or distributor, akin to temno, to cut)]
KJV: secret chamber, closet, storehouse 
Occurrences: 4