Etymology

hemoglobin

H4E1M3O1G2L1O1B3I1N1

Today it means: The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre). Full definition →

Ancient Greek αἷμα ← Latin globus
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The story

  1. Latin · derived fromglobus“ball, sphere”
  2. Ancient Greek · derived fromαἷμα“blood”
  3. English todayhemoglobin

Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in).

Words from the same roots

Ancient Greekαἷμα all →

hemolysishaemophiliabloodflowercarbohæmiacarbonæmiahaemalhaematidhaemato-haemonyhematic

Latinglobus all →

globeglobusglobinglobus hystericus

Etymology from Wiktionary, CC BY-SA 4.0.