ὑδρόχαρις
From LSJ
οὕτως ἐξ ἐχθρῶν αὐτοκτόνα πέμπετο δῶρα, ἐν χάριτος προφάσει μοῖραν ἔχοντα μόρου → thus mutual gifts that bring death were bestowed by enemies, gifts that brought the lot of death in the name of a favor
English (LSJ)
ὁ,
A Grace of the waters, name of a frog, Batr.227.
German (Pape)
[Seite 1174] ἡ, bes. fem. zu ὑδροχαρής, als Froschname in der Batrach.