Yu·an 
(y-än, yü-)
(y-än, yü-) A Chinese dynasty (1279-1368) established by the Mongolian ruler Kublai Khan with its capital at present-day Beijing. It was superseded by the Ming dynasty.
[Mandarin Yuán, after the phrase from I Ching dà zāi qián yuán, how great is heaven the progenitor!, from yuán, primary, first, from Middle Chinese ŋyan; akin to Tibetan mgo, head, summit and mgon-po, master, lord.]