T'aarof, Ta'arof, or Tarof تعارف‎‎ (Farsi, Persian)


seemingly self-denigrating; conscious of social hierarchy

http://www.wherewhatwhen.com/article/ta-arof-0
http://www.latimes.com/local/great-reads/la-me-c1-tarof-20150706-story.html
https://en.wikipedia.org/wiki/Taarof