effendi
/eˈfendɪ/noun
(pl. effendis)
1- a man of high education or social standing in an eastern Mediterranean or Arab country（地中海东部或阿拉伯国家接受过高等教育或有地位的）上流社会人士。
1.1
- historical a title of respect or courtesy in Turkey〈史〉先生, 老爷, 长官（土耳其对人的尊称）。
词源
early 17th cent.: from Turkish efendi, from modern Greek aphentēs, from Greek authentēs 'lord, master'.