φυσιολογέω

A. discourse on nature, investigate natural causes and phenomena, φ. περὶ πάντων Arist. Metaph. 988b27, cf. Polystr.p.12 W., D.S. 3.62, Plu. 2.921d, al.: abs., ὀρθῶς φ. Phld. Rh. 2.42 S., cf. Plu. 2.118d, al., Diog.Oen. 3: c. acc., τοὺς ἰχθῦς Philostr. Gym. 44.
II. explain from natural principles, Τιμαῖος φ. τὴν ψυχὴν κινεῖν τὸ σῶμα Arist. de An. 406b26:—Pass., Ph. 2.506.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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