παρέλλειψις

εως, ἡ
A. loss of one of two similar consonants, as κάλιον for κάλλιον, Trypho Pass. 1.26, al.
II. π. τῆς φύσεως defect of nature, prob. in Anon. in Prm. in Rh.Mus. 47(1892).601.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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