λευκόϊον
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)
[ῐ], τό, for λευκὸν ἴον, lit.
A white-violet: I gilliflower, Matthiola incana, Theoc.7.64, Dsc.3.123, etc. II snowdrop, Galanthus nivalis, flowering very early, Thphr.HP6.8.1; joined with the narcissus and lily in AP5.143 (Mel.), 146 (Id.). III λ. τὸ μέλαν, = ἴον τὸ μέλαν, Hp.Nat.Mul. 32.
German (Pape)
[Seite 34] τό, d. i. λευκὸν ἴον, das weiße Veilchen, die Levkoie, von ihrem Geruch benannt, Hippocr.; Pol. 34, 8, 5; Theocr. 7, 64 u. a. Sp.