κέν-ωσις · ken-ōsis — LSJ
emptying, depletion
emptying, depletion, οὐχὶ πεῖνα καὶ δίψα . . κενώσεις τινές εἰσι . . ; Pl. R. 585b, cf. Phlb. 35b, BGU 904.13 (ii A.D.): —poet. κενέωσις, πόντου κ. ἀνὰ πέδον Pi. Fr. 107.12: metaph., κένωσις βίου Vett.Val. 190.30; κ. τοῦ γιγνώσκειν Iamb. Comm.Math. 11.
2 evacuation
Medic., evacuation, Hp. Aph. 2.8, interpol. in Dsc. 2.50; κ. τῶν οἰκείων, opp. κάθαρσις τῶν ἀλλοτρίων, Gal. 18(2).134.
b depletion, low diet
depletion, low diet, opp. πλήρωσις, Hp. VM 9, cf. Art. 49; κ. σίτου ib. 50.
3 waning
of the moon, waning, opp. πλήρωσις, Epicur. Ep. 2p.40U.