janissary /ˈdʒanɪs(ə)ri 
/ (janizary /ˈdʒanɪzəri , ˈjanɪzəri /) ▸ noun (plural janissaries)
historical a member of the Turkish infantry forming the Sultan's guard between the 14th and 19th centuries. ▪ a devoted follower or supporter.
– ORIGIN early 16th century: from French janissaire, based on Turkish yeniçeri, from yeni ‘new’ + çeri ‘troops’.
EnglishOxford Dictionary of English
