zōthēca — Lewis & Short
zōthēca, ae, f., = zwqh/kh.
I A little private chamber, closet, or cabinet, for reposing in by day (cf. conclave), Plin. Ep. 2, 17, 21; cf. zothecula.—
II A recess, niche, for religious purposes, Inscr. Orell. 1368; 2006; 3889.