Ἰσθμιονίκης
From LSJ
πάτερ, ἄφες αὐτοῖς, οὐ γὰρ οἴδασιν τί ποιοῦσιν → father, forgive them, for they know not what they do
English (LSJ)
[νῑ], ου, ὁ,
A conqueror in the Isthmian games, B.9.26 (also Ἴσθμιο-νῑκος, ὁ, Id.1.46): Ἰσθμιονῖκαι, οἱ, title of one book of Pindar's odes, A.D.Synt.156.11, etc.
Greek (Liddell-Scott)
Ἰσθμιονίκης: -ου, ὁ, νικῶν ἐν τοῖς Ἰσθμικοῖς ἀγῶσιν: ― Ἰσθμιονῖκαι, ἐπιγράφονται ᾠδαί τινες τοῦ Πινδάρου.