לַעֲנָה

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

Source

English (Strong)

from an unused root supposed to mean to curse; wormwood (regarded as poisonous, and therefore accursed): hemlock, wormwood.