mutismo significa in inglese

shutdown [shutdowns]▼(reciprocation that renders the other person wordless)
noun
[UK: ˈʃʌt.daʊn] [US: ˈʃʌt.ˌdaʊn]

mutism [mutisms]▼(psychological disorder)
noun
[UK: ˈmjuː.tɪzm] [US: ˈmjuː.tɪ.zəm]