μεταλλῖτις

From LSJ

Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)

Source

German (Pape)

[Seite 149] ιδος, ἡ, metallhaltig, γῆ, Hesych.