διασταλτέον
From LSJ
οὗτος μὲν ὁ πιθανώτερος τῶν λόγων εἴρηται, δεῖ δὲ καὶ τὸν ἧσσον πιθανόν, ἐπεί γε δὴ λέγεται, ῥηθῆναι → this is the most credible of the stories told; but I must relate the less credible tale also, since they tell it
English (LSJ)
A one must distinguish, Plot.1.3.1, Nicom.Ar.2.18, Sch.Il.2.3.
Greek (Liddell-Scott)
διασταλτέον: ῥηματ. ἐπίθ. τοῦ διαστέλλειν, Νικόμ. 132, Ὠριγέν. κ. Κέλσ. σ. 388.