Etymology

epochal

E1P3O1C3H4A1L1

Today it means: Of or pertaining to an epoch. Full definition →

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

  1. Englishepoch
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. English todayepochal

From epoch + -al.

Etymology from Wiktionary, CC BY-SA 4.0.