Etymology

pivotal

P3I1V4O1T1A1L1

Today it means: Of, relating to, or being a pivot. Full definition →

Proto-Indo-European *h₂élisder.? ← English pivot
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The story

  1. Englishpivot
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. English todaypivotal

From pivot + -al.

Etymology from Wiktionary, CC BY-SA 4.0.