διαμφιβάλλω
From LSJ
τί νυ τόξον ἔχεις ἀνεμώλιον αὔτως → why bear your bow in vain, why bear thy bow in vain
English (LSJ)
A doubt, ὅτι οὐ .. but that... Simp.in Cat.417.5.
Spanish (DGE)
poner en cuestión, discutir περὶ τὴν κατανόησιν τοῦ ὑποκειμένου Gr.Nyss.Eun.2.284, cf. Theod.Lect.Epit.11
•c. complet. c. ὅτι Simp.in Cat.417.5, in Ph.1172.26.