ἐφηλόω
From LSJ
τὸν αὐτὸν ἔρανον ἀποδοῦναι → pay him back in his own coin, repay him in his own coin, pay someone back in their own coin, pay back in someone's own coin, give tit for tat, pay back in kind
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.
German (Pape)
[Seite 1117] annageln, τῶνδ' ἐφήλωται τορῶς γόμφος διαμπάξ Aesch. Suppl. 922, es ist wie angenagelt, unwiderruflich beschlossen; – ἐφηλωτός, angenagelt, Mathem. vett.
Greek (Liddell-Scott)
ἐφηλόω: καρφώνω τι στερεῶς· τῶνδ’ ἐφήλωται τορῶς γόμφος διαμπάξ, μεταφ., ὡρίσθη τὸ πρᾶγμα ἀμετακλήτως, Αἰσχύλ. Ἱκ. 944.