ἱλαστής
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)
οῦ, ὁ, propitiator, Aq., Thd.Ps.85(86).5, f.l. in LXX 1 Es.8.53.
German (Pape)
[Seite 1251] ὁ, der Versöhner, Sp.
Greek (Liddell-Scott)
ἱλαστής: -οῦ, ὁ, ὁ ἐξιλεωτής, Ἀκύλας, Θεοδ. Ψαλμ. ΠΔ΄, 4.