ἀδυναμέω
From LSJ
Γιγνώσκεις οὖν καὶ σὺ τὰ στρατηγικὰ ἔργα → Therefore you, too, know the works (i.e. job) of a general.
English (LSJ)
A to want power, be incapable, LXX Si.Prol., Simp.in Cael. 139.24: c. inf., PLond.2.361r8 (i A. D.).
Greek (Liddell-Scott)
ἀδυναμέω: δὲν ἔχω δύναμιν, δὲν εἶμαι ἱκανός, Ἑβδ. (Σειράχ. ἐν προλόγῳ).
Spanish (DGE)
(ἀδῠνᾰμέω)
ser incapaz, no poder ἀ. ἐν τῷ λέγειν ser inhábil en el hablar e.e. carecer del don de la palabra E.Fr.928b, cf. LXX Si.praef.
•c. inf. γεωργῆσαι POxy.2873.8 (I d.C.).