ἐξακανθίζω
From LSJ
ἔνδον γὰρ ἁνὴρ ἄρτι τυγχάνει, κάρα στάζων ἱδρῶτι καὶ χέρας ξιφοκτόνους → yes, the man is now inside, his face and hands that have slaughtered with the sword dripping with sweat
English (LSJ)
A pick out thorns: metaph., 'pick holes in', Cic.Att. 6.6.1.
German (Pape)
[Seite 865] entdornen. Dornen ausreißen, Theophr.; bei Cic. Att. 6, 6 = ausgrübeln.