Etymology

aggrade

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Today it means: to raise the level of a river bed by the deposition of sediment Full definition →

English grade ← Latin ad- ← Proto-Italic *ad-
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The story

  1. Proto-Indo-European*h₂éd
  2. Proto-Italic*ad
  3. Proto-Italic*ad-
  4. Latinad-
  5. Englishad-
  6. Englishgrade
  7. English todayaggrade

From ad- + grade.

Etymology from Wiktionary, CC BY-SA 4.0.