ἀποθηριόω
From LSJ
κόραξ δ' ἐπαίνῳ καρδίην ἐχαυνώθη → the flattered crow was filled with pride, the flattered crow became elate in heart
English (LSJ)
A change into a beast, τινά Eratosth.Cat.1:—Pass., Str. 3.2.7; prob. in Herm. ap. Stob.1.49.69. 2 make quite savage, τὸν βίον Plu.2.995d; exasperate, τινὰ πρός τινα Plb.1.79.8:—Pass., to become or be so, ib.67.6; τὴν ψυχήν D.S.17.9; of wounds, Plb.1.81.5. II Pass., to be full of savage creatures, ἀποτεθηρίωται ὁ Νεῖλος Alciphr.2.3.