διαψύχω
δια-ψύχω,
2). air, dry and clean, ναῦς , cf. 7.12 Cont. 23 , etc.: metaph. of misers bringing out their hoards, Cyr. 8.2.21 .
3). Pass., become dry, i.e. unfruitful, ἵνα μὴ ἡ γῆ διαψῠγῇ PSI 6.603.11 (iii B. C.).