polemize
/ˈpɒlɪmʌɪz/(also polemise)
verb
[no object] = polemicize.
Origin
Early 19th century; earliest use found in Edward Pusey (1800–1882), Church of England clergyman and theologian. From ancient Greek πολεμίζειν to wage war, fight from πόλεμος war + -ίζειν.