aufrauhen означает в английский

roughen [roughened, roughening, roughens]▼◼◼◼verb
[UK: ˈrʌf.n̩] [US: ˈrʌf.n̩]

grinding [grindings]▼◼◼◼noun
[UK: ˈɡraɪnd.ɪŋ] [US: ˈɡraɪnd.ɪŋ]

roughing▼[UK: ˈrʌf.ɪŋ] [US: ˈrʌf.ɪŋ]