πτῆσις

εως, ἡ

πτῆναι

A. flight, A. Pr. 488, Arist. PA 639b2, EN 1174a31, Q.S. 12.5 (pl.): metaph. of rapid reading, ἡ περὶ τὴν ἀνάγνωσιν π. Lib. Ep. 949.2.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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