ἐφηλόω
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → For extreme diseases, extreme methods of cure, as to restriction, are most suitable.
English (LSJ)
A nail on, in Pass., Apollod.Poliorc.158.8, Ath.Mech.25.3: metaph., τῶνδ' ἐφήλωται τορῶς γόμφος διαμπάξ the bolt is driven home, i. e. it is irrevocably fixed, A.Supp.944; cf. ἐφαλόω.