upper room

neuter of a derivative of ὑπέρ; a higher part of the house, i.e. apartment in the third story:--upper chamber (room).

feminine from עָלָה; something lofty, i.e. a stair-way; also a second-story room (or even one on the roof); figuratively, the sky; ascent, (upper) chamber, going up, loft, parlour.