rũrĩa
- to ferment; to age or mature (food, drink)
- Philosophically: to deepen the taste, richness, or wisdom of something
Example: "Wĩmenyerere ũmuthĩ tondũ wa rũhuho rũria rũgũtinda ." — Be careful today because of the strong wind.
Etymology: Root verb meaning to ferment or deepen. Creates noun nduria with ndũ- prefix.