My Suggestions

Ĩrĩkũ

pron.

  1. what; interrogative pronoun; question word asking for identification or specification of unknown things or concepts

Example: "Nĩ irio irĩkũ ciarugagĩrwo mũciairĩ? Mũciairĩ arugagĩrwo mũkimo wa njahĩ." — What food is cooked for a new mother?