Etymology

by Jupiter

Today it means: Invocation of the Roman god Jupiter. Full definition →

Latin pro
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The story

  1. Latin · derived frompro
  2. English todayby Jupiter

From Latin pro Iuppiter. Ellipsis of a full oath of the form "I swear by Jupiter that…". Originally a literal oath; later a minced oath.

Words from the same roots

Latinpro all →

profilepropurportprorateby Jovepro-procumbentpro dominopros and consprothallium

Etymology from Wiktionary, CC BY-SA 4.0.