causa sine qua non

[ kou-sah si-ne kwah nohn; English kaw-zuh-sahy-nee kwey non, kaw-zuh-sin-ey kwah nohn ]

nounLatin.
  1. an indispensable condition; requisite.

Origin of causa sine qua non

1
Literally, “a cause without which not”

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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