khan

Concise Oxford English Dictionary © 2008 Oxford University Press:
khan1 /kɑːn, kan/

▶noun

• 1 a title given to rulers and officials in central Asia, Afghanistan, and certain other Muslim countries.

• 2 any of the successors of Genghis Khan, supreme rulers of the Turkish, Tartar, and Mongol peoples and emperors of China in the Middle Ages.

– derivatives
khanate noun.

– origin ME: from OFr. chan, med. L. canus, caanus, from Turkic ḵān ‘lord, prince’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
khan2 /kɑːn, kan/

▶noun (in the Middle East) an inn for travellers, built around a central courtyard.

– origin from Pers. ḵān.