Etymology

chalcanthum

C3H4A1L1C3A1N1T1H4U1M3

Today it means: Copper(II) sulfate (CuSO₄). Full definition →

French calcante ← Latin chalcanthum
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The story

  1. Latin · borrowed fromchalcanthum
  2. French · borrowed fromcalcante
  3. English todaychalcanthum

Borrowed from French calcante or Latin chalcanthum.

Etymology from Wiktionary, CC BY-SA 4.0.