Etymology

cum hoc ergo propter hoc

Today it means: The logical fallacy of assuming that two events that occur at the same time have a cause-and-effect relationship. Full definition →

Latin cum hoc ergo propter hoc
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The story

  1. Latin · derived fromcum hoc ergo propter hoc“with this, therefore because of this”
  2. English todaycum hoc ergo propter hoc

From Latin cum hoc ergo propter hoc (“with this, therefore because of this”).

Etymology from Wiktionary, CC BY-SA 4.0.