Etymology

vorticity

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Today it means: A property of a fluid flow related to local angular rotation; defined as the curl of the flow's velocity field. Full definition →

English vortex ← Latin vortex ← Proto-Italic *wertō
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The story

  1. Proto-Indo-European*wert-
  2. Proto-Indo-European*wértetor
  3. Proto-Italic*wertō
  4. Latinvortō
  5. Latinvortex
  6. Englishvortex
  7. English todayvorticity

From vortex + -ity.

Etymology from Wiktionary, CC BY-SA 4.0.