πεμπτέος
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)
α, ον,
A to be sent, Luc.Phal.1.11. II πεμπτέον, one must send, X.Cyr.8.1.11.
Greek (Liddell-Scott)
πεμπτέος: -α, -ον, ῥηματ. ἐπίθετ. τοῦ πέμπω, ὂν δεῖ πέμπειν, Λουκ. Φαλ. 11. ΙΙ. πεμπτέον, δεῖ πέμπειν, Ξεν. Κύρ. 8. 1, 11.