διηθητέον
From LSJ
ἀναπλασμὸς ἐκ ματαίων ἐλπίδων → building of castles in the air
English (LSJ)
one must strain, Dsc.2.76.6.
Spanish (DGE)
hay que verter, hay que echar κηροῦ Τυρρηνικοῦ ὁλκὰς τέτταρας Dsc.2.76.6, cf. Orib.12.18.47.
Greek (Liddell-Scott)
διηθητέον: ῥημ. ἐπίθ. τοῦ διηθῶ, Διοσκ. 2. 89.