ἰσχυριείω
From LSJ
κοινὸν τύχη, γνώμη δὲ τῶν κεκτημένων → good luck is anyone's, judgment belongs only to those who possess it
English (LSJ)
Desiderat. from sq.,
A venture to affirm, Hp.Art.1, cf. Gal.18(1).309.
German (Pape)
[Seite 1273] desiderat. zu ἰσχυρίζομαι, Luft haben zu behaupten, Galen.