μικτέον
From LSJ
καὶ οἱ ἀμαθέστατοι τῶν ἰατρῶν τὸ αὐτὸ σοὶ ποιοῦσιν, ἐλεφαντίνους νάρθηκας καὶ σικύας ἀργυρᾶς ποιούμενοι καὶ σμίλας χρυσοκολλήτους: ὁπόταν δὲ καὶ χρήσασθαι τούτοις δέῃ, οἱ μὲν οὐδὲ ὅπως χρὴ μεταχειρίσασθαι αὐτὰ ἴσασιν → the most ignorant of doctors do the same as you, getting themselves ivory containers, silver cupping instruments, and gold-inlaid scalpels; but when it's time to use those things, they haven't the slightest notion of how to handle them
English (LSJ)
(μείγνυμι)
A one must mix, Pl.Ti.48a codd. (leg. μεικτέον).
Greek (Liddell-Scott)
μικτέον: ῥημ. ἐπίθ. τοῦ μίγνυμι, δεῖ μιγνύναι, Πλάτ. Τίμ. 48Α.
Russian (Dvoretsky)
μικτέον: adj. verb. к μίγνυμι.
