skvrna

noun
  1. A spot, stain, or blemish on a surface, typically one that is difficult to remove. noun
    The white shirt had a skvrna that wouldn't come out even after washing.
    She noticed a skvrna on the carpet and tried to clean it immediately.
  2. A figurative mark or blemish on a person's reputation or character. noun
    The scandal left a skvrna on his otherwise impeccable career.
    Despite his achievements, the incident was a skvrna that he could never fully erase.