primum non nocere

Latin

Pronunciation

• (Classical Latin) IPA^(key): /ˈpriː.mum noːn noˈkeː.re/, [ˈpriːmʊ̃ˑ noːn nɔˈkeːrɛ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈpri.mum non noˈt͡ʃe.re/, [ˈpriːmum nɔn noˈt͡ʃɛːre]

Phrase

prīmum nōn nocēre

1. First, do no harm (an adage taught to medical students reminding them to consider the possible harm of any intervention).