v.tr., okwonoona; be tarnished, okupeeruuka, okusiiwuuka, okufuma, okuzigama, okwonooneka.

lose color; become tarnished; fig. fade (of memories); become rusty (of knowledge, skills); fall into disrepute.

lose luster.

-siiwuukirivu.

v.i. become tarnished; rust; become weather-beaten; lose freshness.

tarnish (e.g., a reputation).

bring into disrepute. cf. -fumye.