Tumen (unit)
Tumen, or tümen ("unit of ten thousand"; Old Turkic: tümän; Mongolian: Түмэн, tümen; Turkish: tümen), was a decimal unit of measurement used by the Turkic and Mongol peoples to quantify and organize their societies in groups of 10,000. A tumen denotes an administrative unit of 10,000 households, or a military unit of 10,000 soldiers.