Etymology

cacoxenite

C3A1C3O1X8E1N1I1T1E1

Today it means: A soft phosphate of iron occurring in yellowish clumps: hydrated iron aluminum phosphate oxide: (Fe,Al)₂₅(PO₄)₁₇O₆(OH)₁₂·17H₂O. Full definition →

Ancient Greek κακός
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The story

  1. Ancient Greek · derived fromκακός“bad”
  2. English todaycacoxenite

From Ancient Greek κακός (kakós, “bad”) + ξένος (xénos, “guest”) because the phosphorous content of cacoxenite lessens the quality of iron smelted from ore containing it.

Words from the same roots

Ancient Greekκακός all →

cachaemiacaco-cacochymiacacoepycaconymcacophobiacacosynthetoncacothymiakakocracy

Etymology from Wiktionary, CC BY-SA 4.0.