μυθάριον

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

Click links below for lookup in third sources:

Full diacritics: μῡθάριον	Medium diacritics: μυθάριον	Low diacritics: μυθάριον	Capitals: ΜΥΘΑΡΙΟΝ
Transliteration A: mythárion	Transliteration B: mytharion	Transliteration C: mytharion	Beta Code: muqa/rion

English (LSJ)

τό, Dim. of μῦθος, Str.13.1.69, Cleom.2.1, Porph.Chr.54; τὰ Αἰσώπεια μ. Plu.2.14e.

[Seite 214] τό, dim. von μῦθος, kleine Fabel, des Aesop, Plut. de aud. poet. 1.

ου (τό) :
petite fable, petit récit.
Étymologie: μῦθος.

μῡθάριον: τό, ὑποκορ. τοῦ μῦθος, Στράβ. 616, Πλούτ. 2. 14Ε.

μῡθάριον: τό маленький рассказ, басня Plut.