counterattack (n.)

word-forming element used in English from c. 1300 and meaning "against, in opposition; in return; corresponding," from Anglo-French countre-, French contre-, from Latin contra "opposite, contrary to, against, in return," also used as a prefix (see contra (prep., adv.)). A doublet of contra-. In some cases it probably represents a purely English use of counter (adv.).

1660s, "violent onset, a falling on with violence and force," from attack (v.). The meaning "fit of a disease" is from 1811. Compare Middle English attach "a seizure or attack" (of fever), late 14c.