thĩinĩ
- the inside (foll. by loc. conc.); thĩĩnĩ wa nyũmba nĩ gũtherũ = the inside of the house is clean; e thĩĩnĩ nyũmba = he is inside the house; 2. (used as prep.) with reference to, regarding, as regards, relating to, to do with; thĩĩnĩ wa ũhoro ũũcio = with reference to that matter
Example: "Menengai crater nĩ ihoro rĩrĩ ngumo thĩinĩ wa Kenya." — Menengai crater is a large hole within Kenya.