Ekus

Etymology
It has 3 meanings:
 * Animal, valid for both genders.
 * The knight piece at chess.
 * A person who spends a lot of time working, works very hard or both.

Derived words

 * danekus (n), meaning hippopotamus.
 * disekus (n), meaning cavalry.
 * ekusar (n), meaning horse rider.
 * ekusarom (n), meaning horse riding.
 * ekusdom (n), meaning stable (for any kind of animal).
 * ekusdrom (n), meaning horse racecourse.
 * ekusin (n), meaning colt.
 * ekuskarpi (n), meaning horseshoe.
 * ekusuk (adj), meaning equestrian.