πολυχορδία
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
English (LSJ)
ἡ,
A the use of many strings in the lyre, Pl.R.399c, Phan.Hist.17, etc.: pl., Plu.2.661d.
German (Pape)
[Seite 677] ἡ, Menge von Saiten, Plat. Rep. III, 399 c u. Sp., wie Plut. Symp. 4, 1, 2.