υἱόω
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)
(υἱός) A make into a son, Ael.Fr.180:—Med., adopt as one's son, Nic.Dam.128 J.:—Pass., Suid.
German (Pape)
[Seite 1176] zum Sohne machen, – med. sich zum Sohne machen, an Sohnes Statt annehmen, Sp.
Greek (Liddell-Scott)
υἱόω: (υἱὸς) υἱοποιῶ, υἱοθετῶ, «υἱῶσαι τὸν παῖδα: υἱὸν ποιῆσαι αὐτὸν θετόν... καὶ υἱώσατο, ἀντὶ τοῦ, υἱὸν θετὸν ἐποιήσατο... ἡ χρῆσις παρ’ Αἰλιανῷ πολλὴ» Φώτ., Ἐτυμ. Μέγ. 775, 29, τὸ μέσον καὶ παρὰ Νικολ. Δαμασκ.· ἰδὲ Σουΐδ. ἐν λ. υἱῶσαι.