khagan means A khan of khans, a ruler of a khaganate; (the holder of) an imperial rank used among certain Turkic and Mongolian peoples, equal in status to an emperor. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
khagan is pronounced /kɑˈɡɑn/.
Why “khagan” is a great word
KHAGAN — [Noun] A supreme imperial title, the 'khan of khans,' denoting the paramount ruler of vast Central Asian steppe confederacies. Ultimately from Old Turkic 𐰴𐰍𐰣 (qaɣan), a title of supreme rulership; a doublet of 'khan.' Unlike 'khan'—which can denote a local chieftain—or 'emperor'—a generic, settled crown—'khagan' evokes the specific, hard-won authority that binds a mosaic of mounted clans into a single, terrifying force. It is the felt-and-gilt crown resting on a saddle, the distant thunder of ten thousand hoofbeats answering a single will, and the silent understanding that all lesser khans turn their faces toward his sunrise—a sovereignty so vast and transient it leaves only echoes in the dust of the Silk Road.
noun
- A khan of khans, a ruler of a khaganate; (the holder of) an imperial rank used among certain Turkic and Mongolian peoples, equal in status to an emperor.“As early as the year 740 A.D., one of the Khazar kaghans had turned to Constantinople for a missionary versed in Christian law.”