ἰατρευτέον
From LSJ
θαρσεῖν χρὴ φίλε Βάττε: τάχ' αὔριον ἔσσετ' ἄμεινον → you need to be brave, dear Battus; perhaps tomorrow will be better | Take heart, dear Battos! Tomorrow will be better.
English (LSJ)
one must treat, Gal.10.209, Alex.Trall.Febr.3.
Greek (Liddell-Scott)
ἰατρευτέον: ῥηματ. ἐπίθ. τοῦ ἰατρεύω, δεῖ ἰατρεύειν, Ἀλέξ. Τραλλ. 12. σ. 216.