亓 qí — an ancient form of 'his; its' 亓 qí Level 2 · Frequent #3508 qí qi2 Basic definition pronoun an ancient form of 'his; its' noun a surname e.g 亓姓亓官 Detailed explanation noun ancient form of 其 noun 姓 Related words 亓官 qí guān a compound surname 亓姓 qí xìng the Qi surname