igunyũ

n.

1. worms, maggots. Worms, maggots. Small invertebrate animals, especially larvae that infest decaying matter or dead bodies; used metaphorically for decay and corruption.

Example: Mwĩrĩ wakwa ũiyũirũo nĩ igunyũ na ngũmba cia tĩri; (My flesh is clothed with worms and scabs;); Wĩnyiihie mũno amu iherithia rĩa thũ cia Ngai nĩ mwaki na igunyũ. (More and more, humble your pride; what awaits mortals is worms.)