Etymology

radiogold

R1A1D2I1O1G2O1L1D2

Today it means: The radioactive isotope of gold, 19879Au, used in medical irradiation and in diagnosis Full definition →

English gold ← Middle English gold ← Old English gold
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The story

  1. Englishradio-
  2. Proto-Indo-European*ǵʰelh₃-
  3. Proto-Indo-European*ǵʰĺ̥h₃-to-m
  4. Proto-Germanic*gulþą
  5. Proto-West Germanic*golþ
  6. Old Englishgold
  7. Middle Englishgold
  8. Englishgold
  9. English todayradiogold

From radio- + gold.

Etymology from Wiktionary, CC BY-SA 4.0.