from The Century Dictionary.
- noun A group of families, probably originally related by blood, forming the principal political unit among the Mongols. Each aimak is governed by its own chieftain.
Sorry, no etymologies found.
(Mongol), including twenty-four pu (Chinese) or aimak (Mongol) as follows: I. Cherim Meng, or League, comprising the following pu, or tribes: (1) Khorch'in, 6 banners; (2) Djalaid, 1 banner; (3) Turbet,