ἀντιδιδόναι
From LSJ
Πονηρός ἐστι πᾶς ἀχάριστος ἄνθρωπος → Ingratus omnis homo non est, quin sit malus → Ein jeder Mensch, der Dankbarkeit nicht kennt, ist schlecht
Greek > English (Woodhouse Verbs Reversed)
(see also ἀντιδίδωμι): give in exchange, give in return, give instead, pay back
Lexicon Thucydideum
referre, rependere, to return, repay, 3.63.4,
PASS. 1.41.1, 3.40.3,
poenas vicissim dare, to inflict punishment in turn, 2.53.4,
idem, the same 3.66.3.