ἰστέον

Εἴδω, οἶδα

A. one must see, ἰστέον δή Pl. Tht. 202e; ἰ. ἤδη τί ἐστὶ τὸ πρᾶγμα Id. Smp. 217c.
II. one must know, Gal. 5.480, Sch. Nic. Th. 11.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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