gĩthiũrũrĩ
- circle, ring; round shape
- nyũmba ya gĩthiũrũrĩ (traditional round hut); ndiha gĩthiũrũrĩ gũkomana (the circle coming to fullness - a poetic phrase for full moon)
Example: "Triangle ya rangi wa green igiirirwo hari githiururi Kia rangi wa blue" — A green triangle is placed next to a blue circle.