apostille (n.)youdaoicibaDictYouDict[apostille 词源字典]
"note, especially on text of the Bible," also apostil, 1520s, from French apostille (15c.), probably from Medieval Latin postilla, which probably represents Latin post illa, literally "after those."[apostille etymology, apostille origin, 英语词源]
postillon (n.)youdaoicibaDictYouDict
1590s, from Middle French postillon (1530s), from Italian postiglione "forerunner, guide," especially for one carrying mail on horseback, from posta "mail" (see post (n.3)) + compound suffix from Latin -ilio.
posticheyoudaoicibaDictYouDict
"A hairpiece", Early 18th century: from French, literally 'false', from Italian posticcio 'counterfeit, feigned'.