διαγραμμίζω
From LSJ
βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
English (LSJ)
A divide by lines: hence, play at chequers, Philem. 209.
Greek (Liddell-Scott)
διαγραμμίζω: διαιρῶ διὰ γραμμῶν· ἐντεῦθεν, παίζω τοὺς πεσοὺς (τὴν «δάμα»), Φιλήμ. ἐν Ἀδήλ. 115· καὶ διαγραμμισμός, ὁ, παιγνίδιον ὁμοιάζον πρὸς τὸ τῶν πεσσῶν, Πολυδ. Θ΄, 99, ἴδε Ernest. Clav. Ciceron ἐν λ. scriptorum duodecim. ludus.