μεγαλοφυΐα

A. nobleness of nature, Iamb. VP 23.103 (pl.), Phlp. in de An. 529.14, Hsch.
II. genius, talent, Longin. 13.2,36.4, Apollod. Poliorc. 138.16.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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