ἀντιδικέω (antidikeō)

to dispute, go to law , περί τινος (Xenophon Historicus); οἱ ἀντιδικοῦντες the parties to a suit , (Plato Philosophus); absolute of the defendant, (Aristophanes Comicus); ἀντ. πρός τι or πρός τινα, to urge one's suit against . . , (Demosthenes Orator) (ML)