svedok

noun
  1. The word 'svedok' is not an English word; it is a word in several Slavic languages, such as Serbian and Russian, meaning 'witness'. In English, it refers to a person who sees an event, typically a crime or accident, take place. noun
    The svedok testified in court about what he saw on the night of the robbery.
    As a svedok to the accident, she provided a detailed account to the police.