Ὄασις
From LSJ
Βίων δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Bion used to say that we have two teachers for death: the time before we were born and sleep | Bion said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
εως, ἡ, name of cities in the Libyan desert, Hdt.3.26, Olymp.Hist.p.464 D. ; cf. Αὔασις :—hence Ὀασῖται, οἱ, Ptol.Geog. 4.5.25 : Adj. Ὀασιτικός, ή, όν, PSI4.433.6 (iii B. C.).