apostille

noun

apos·​tille

variants also apostil

ə-ˈpäs-təl, a-pə-ˈstēl

1

archaic : a marginal note

2

: a document used in international law that is issued by a government in accordance with the Hague Convention and that certifies that another document has been signed by a notary public

Word History

Etymology

Middle French, from apostiller to add notes, ultimately from Medieval Latin postilla note, probably from post illa (verba textus) after those (words of the text)