ἀντίβασις
ἀντίβᾰσις, εως, ἡ,
A). resistance, Bel. 73.14 , Caes. 38 , etc.; πρός τι ; 2.584f ἡ κατ’ ἀντίβασιν ἁφή M. 10.2 ; opp. ἐπέρεισις, ,cf. 2.10 ap. . 9.23.11
II). in the ballista, counter-prop, . 10.11.9