Etymology

upheaval

up·heav·al
U1P3H4E1A1V4A1L1

Today it means: The process of being heaved upward, especially the raising of part of the earth's crust. Full definition →

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

  1. Englishupheave
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. English todayupheaval

From upheave + -al.

Etymology from Wiktionary, CC BY-SA 4.0.