XXim-po-tent (astheneo, adunatos): The verb signifies "to be without strength," and derivatives of it are used in Jn 5:3,7 the King James Version and Acts 4:9 to characterize the paralyzed man at Bethesda and the cripple at the Temple gate. For the same condition of the Lystra lame man the word adunatos is used, which is synonymous. In these cases it is the weakness of disease. In this sense the word is used by Shakespeare (Loves Labor Lost, V, ii, 864; Hamlet, I, ii, 29). The impotent folk referred to in the Epistle of Jeremy (Baruch 6:28) were those weak and feeble from age and want; compare "impotent and snail-paced beggary" (Richard III, IV, iii, 53).
Alexander Macalister