Etymology

forearc

F4O1R1E1A1R1C3

Today it means: A region of raised rock debris which forms between the subduction zone and any associated volcano or volcanic chain. Full definition →

English arc ← Middle English ark ← Old French arc
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The story

  1. Englishfore-
  2. Proto-Indo-European*h₂erkʷ-
  3. Proto-Indo-European*h₂erkʷos
  4. Proto-Italic*arkuos
  5. Latinarcus
  6. Old Frencharc
  7. Middle Englishark
  8. Englisharc
  9. English todayforearc

From fore- + arc.

Etymology from Wiktionary, CC BY-SA 4.0.