ἀντίκρουσις
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
εως, ἡ,
A abrupt close, in a rhetorical period, Arist. Rh.1409b22; hindrance, check, Plu.2.721b; dub. sens. in Aeschin. 1.168, perh. repartee.
German (Pape)
[Seite 253] ἡ, das Zurückstoßen, Widersetzlichkeit, Plut. Marc. 28; λέγειν ἀντίκρουσιν πρός τινα, deklamatorische Wechselreden halten, Aeschin. 1, 168.
Greek (Liddell-Scott)
ἀντίκρουσις: -εως, ἡ, τὸ ἀντικρούειν τινί, ἐμπόδιον, αἰφνίδιος ἀντίστασις, Ἀριστ. Ρητ. 3. 9, 6, Πλούτ. 2. 721Β: ἡ ἔννοια ἀμφίβολος ἐν Αἰσχίν. 24. 10, ἴσως ἑτοιμολογία, εὔστοχος ἀπάντησις.