gymkhana (n.)youdaoicibaDictYouDict[gymkhana 词源字典]
1854, Anglo-Indian, said to be from Hindustani gend-khana, literally "ball house," said in Yule & Burnell's 1886 glossary of Anglo-Indian words to be "the name usually given in Hindu to an English racket-court." The second element is from Middle Persian khan "house," from Iranian *ahanam "seat," from PIE *es- "to sit." Altered in English by influence of gymnasium, etc. [gymkhana etymology, gymkhana origin, 英语词源]
UrduyoudaoicibaDictYouDict
official language of Pakistan, 1796, from Hindustani urdu "camp," from Turkish ordu (source of horde); short for zaban-i-urdu "language of the camp." Compare Dzongkha, a variant of Tibetan and the official language of Bhutan, literally "the language of the fortress." "So named because it grew up since the eleventh century in the camps of the Mohammedan conquerors of India as a means of communication between them and the subject population of central Hindustan." [Century Dictionary]