gũthũka
- to deteriorate, degrade. To deteriorate, degrade, break down. In agriculture, refers to post-harvest losses, spoilage of produce, degradation of soil, or breakdown of plant material; to become damaged or to decay.
Example: Kũiga njanjo ya mũrimũ wa Newcastle na njĩra njũrũ(gũthũka ĩrĩ thitoo-inĩ ya mbarafu) (Poor handling of live Newcastle vaccines (breakdown in cold chain)); Nĩ hamwe na gũcejia harĩa makũragio, tĩri kwenyũka na gũthũka, gũtukanĩka na dawa iria ihuhagĩrio, guteo gwa takataka na maaĩ (These include habitat conversion, soil erosion and degradation, pollution from agrochemical use, solid waste, and water usage.); Gũthũka kwa maembe magethwo: Maembe bũrũri-inĩ wa Kenya makorawo na kĩmera kĩmwe. (Post-harvest Losses – Mangoes in Kenya are harvested during one season.)