ἀδυναμέω
From LSJ
ἀλλ᾽ ἀμφὶ τοῖς σφαλεῖσι μὴ 'ξ ἑκουσίας ὀργὴ πέπειρα → to those who err in judgment, not in will, anger is gentle | men's wrath is softened toward those who have erred unwittingly
English (LSJ)
to want power, be incapable, LXX Si.Prol., Simp.in Cael. 139.24: c. inf., PLond.2.361r8 (i A. D.).
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.).
Greek (Liddell-Scott)
ἀδυναμέω: δὲν ἔχω δύναμιν, δὲν εἶμαι ἱκανός, Ἑβδ. (Σειράχ. ἐν προλόγῳ).