Ἀμφιγυήεις
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)
ὁ, epithet of Hephaestus, with both feet crooked, lame, Il.1.607, etc.
Greek (Liddell-Scott)
Ἀμφιγυήεις: ὁ, ἐπίθ. τοῦ Ἡφαίστου, ὁ κατ’ ἀμφότερα τὰ σκέλη χωλός. Ἰλ. Α. 607, κτλ. (ἐκ τοῦ γυιὸς = χωλός, οὐχὶ ἐκ τοῦ γυῖον).
Greek Monotonic
Ἀμφιγυήεις: ὁ (γυιός), λέγεται για τον Ήφαιστο, αυτός που κουτσαίνει και στα δύο πόδια, ο χωλός, σε Ομήρ. Ιλ.