litigate
v. US //ˈɫɪtɪˌɡeɪt// UK //lˈɪtɪɡˌeɪt// lit·i·gate
First attested in 1606; borrowed from Latin lītigātus, perfect passive participle of lītigō (see -ate (verb-forming suffix)), from līs (“a lawsuit”, oblique stem in līt-) + -igō (denominative verb-forming suffix).