Etymology

ranitidine

R1A1N1I1T1I1D2I1N1E1

Today it means: A furan (trademark Zantac) which blocks the histamine H₂-receptors, to prevent the secretion of gastric acid. Full definition →

English ni(tro)- ← Ancient Greek νῐ́τρον (nĭ́tron) ← Egyptian nṯrj
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The story

  1. English(fu)ran(yl)
  2. Egyptiannṯr
  3. Egyptiannṯrj
  4. Ancient Greekνῐ́τρον (nĭ́tron)
  5. Englishni(tro)-
  6. English todayranitidine

From (fu)ran(yl) + ni(tro)- + -tidine.

Etymology from Wiktionary, CC BY-SA 4.0.