causa sine qua non
Latin noun phrase
cau·sa si·ne qua non
ˈkau̇-ˌsä-ˌsi-nā-kwä-ˈnōn 
: cause without which not : a necessary cause or condition
Cite this Entry
“Causa sine qua non.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/causa%20sine%20qua%20non. Accessed 30 Oct. 2025.
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