Etymology

calx

C3A1L1X8

Today it means: The substance which remains after a metal or mineral has been thoroughly burnt, once seen as being the essential substance left after the expulsion of phlogiston, but now recognised as being the metallic oxide (or, in some cases, the metal in a state of sublimation). Full definition →

Latin calx
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The story

  1. Latin · borrowed fromcalx“lime”
  2. English todaycalx

From Latin calx (“lime”). Doublet of cauk and chalk.

Words from the same roots

Latincalx all →

calciumchalkcausewaycalcitecalichecalcaneumcalcographycalthemitecaltrop

Etymology from Wiktionary, CC BY-SA 4.0.