{In a cellar} (eis krupt(886e)). A crypt (same word) or
hidden place from krupt(935c), to hide. Late and rare word and here
only in the N.T. These other words (lamp, luchnon, bushel,
modion, stand, luchnian) have all been discussed previously
( Mt 5:15 ).  Lu 11:33  is like  Mt 6:22f. , which see for
details.