σπέος
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
English (LSJ)
Ep. σπεῖος, τό, Ep.Noun (also in Inscr.Cypr.98 H.),
A cavern, grotto, Od.5.57, etc.; ὑπὸ σ. ἤλασε μῆλα Il.4.279; [Κύκλωπες] οἴκεον ἐν σπήεσσι Od.9.400; ἐν σπέσσι γλαφυροῖσι ib.114; νῆα . . ὡρμίσαμεν κοῖλον σ. εἰσερύσαντες 12.317.—Hom. uses only the following forms: nom.and acc. sg. σπέος, Il.13.32, ll.cc.; irreg. dat. σπῆϊ 18.402, Od.2.20,al., cf. Hes.Th.297 (σπέϊ in Opp.C.4.246): of the Ep. form σπεῖος, acc. sg. only in Od.5.194; gen. σπείους only in Od. (5.68, al.): of the pl., only dat. σπέσσι and σπήεσσι, only in Od. (1.15, al., 9.400, al.); gen. σπείων h.Ven.263; irreg. dat. pl. σπεάτεσσι, as if from σπέας, in Xenoph.37.