πρόςκρουσις

εως, ἡ
A. dashing against a thing, Plu. 2.696b (pl.).
II. offence, πρόσκρουσιν προσκροῦσαί τινι give him offence, Id. Cic. 34, cf. 2.138e (pl.), etc.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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