G2646
κατάλυμα
guest room/inn
κατά-λυμα, -τος, τό (καταλύω), [in LXX: Exo.4:24 (מָלוֹן), 1Ki.9:22 (לִשְׁכָּה), etc. ;] __1. = cl. καταγώγιον (cf. πανδοχεῖον), an inn, lodgingplace: Luk.2:7 (so Ex, l.with, and MGr.). __2. a guest-room (1Sam,l.with): Mrk.14:14, Luk.22:11.† (AS)
The KJV translates G2646 in the following manner:
guestchamber (4x), inn (2x)
Full Thayer's lexicon entry
κατάλυμα — katályma
κατάλυμα, καταλυματος, τό (from καταλύω, c.; which see), an inn, lodging-place: Luk 2:7 (for מָלון, Exo 4:24); an eating-room, dining-room (A. V. guest-chamber): Mar 14:14; Luk 22:11; in the same sense for לִשְׁכָּה, 1Sa 9:22. (Polybius 2, 36, 1 (plural); 32, 19, 2; Diodorus 14, 93, 5; (others; cf. Winer's Grammar, 25, 93 (89)).)
3 occurrences
Mark (1), Luke (2)