προσυπακούω
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 listen to as well, τι Pl.Lg.898d. II Gramm., understand something not expressed, supply in thought, Gal.16.740, Alex.Aphr.in Sens. 105.13, Hierocl.in CA3p.423M.:—Pass., Phld.Po.5.10 (dub.), Ph. 1.443, Sch.Luc.Anach.17.
German (Pape)
[Seite 785] (s. ἀκούω), dazu vernehmen, verstehen, τόδε δὲ προσυπάκουσον ἔτι, Plat. Legg. X, 898 d; in Gedanken hinzusetzen, subaudire, Gramm.