bruñir znamená v Angličtina

burnish [burnished, burnishing, burnishes]▼(to make (something, such as a surface) bright, shiny, and smooth by, or (by extension) as if by, rubbing, see also: polish; shine)
verb
[UK: ˈbɜː.nɪʃ] [US: ˈbɝː.ˌnɪʃ]

grind [ground, grinding, grinds]▼(to shape with the force of friction)
verb
[UK: ɡraɪnd] [US: ˈɡraɪnd]