My Suggestions

Kanyũtũ

n.

  1. cheetah; large spotted wild cat, swift hunting animal found in traditional Gĩkũyũ territory, known for its exceptional speed

Example: "Kanyũtũ nĩko namba ĩmwe harĩ nyamũ iria ndeng'eri mũno thĩiniĩ" — The dik-dik is number one among the smallest animals in the world.