τετραγωνίζω
From LSJ
Ἐλευθέρου γάρ ἐστι τἀληθῆ λέγειν → Perhibere vera semper ingenuum decet → Die Wahrheit sagen ist des freien Mannes Art
English (LSJ)
A make square, square, of lines or numbers, Pl.R.527a, Arist. Metaph.996b21; ὅσαι γραμμαὶ τὸν ἰσόπλευρον . . ἀριθμὸν τετραγωνίζουσι all lines which form an equilateral number as their square, Pl. Tht.148a; τ. τὸν κύκλον square the circle, Arist.SE171b16:—Pass., Id.APr.69a31. 2 Astrol., to be in quartile aspect, Ptol.Tetr. 34.
German (Pape)
[Seite 1097] viereckig machen; Plat. Theaet. 148 a; κύκλον, Arist. soph. el. 11.