1521, in the meaning defined above
borrowed from Late Latin abstentiōn-, abstentiō, from Latin absten-, variant stem of abstinēre "to abstain" + -tiōn-, -tiō, suffix of action nouns
abstention
nounNote: A party to a case subjected to a Pullman abstention may reserve the right to return to federal court once the state court has resolved the state law question. Pullman abstentions are the most common type of abstention.