paratitle
/ˈparəˌtʌɪtl/noun
Usually in plural A short explanation of one of the titles of the Code or Digest of Roman law; an abstract of any section of the Code.
Origin
Early 17th century; earliest use found in Philemon Holland (1552–1637), translator. From post-classical Latin paratitlum addition to one of the titles in a collection of legal texts, summary from para- + titulus.