.
c таджикского с английского

лакка

(n.) 1 spot, stain, blot(ch), patch; 
~и сиёҳӣ inkblot; 
ink spot; 
2 metaph. spot, stigma; 
disgrace; 
~ андохтан а) to soil; 
b) metaph. to spot, to disgrace, to discredit