deposse

deposse [cf. CL posse] 1 to be able. 1325 volentes ‥ subditorum nostrorum animarum saluti, ne ‥ sentencias incurrant predictas, quatinus tamen ~umus, precavere Reg. Heref. 314. 2 (?) to be unable, fail. si cetera mundi / monstra triumphali potui consumere dextra, / in Phrygios (dicamne viros? ) humanaque bella / depotuisse pudet J. Exon. BT I 289.