Etymology

nattokinase

N1A1T1T1O1K5I1N1A1S1E1

Today it means: A serine protease of the subtilisin family, extracted from natto. Full definition →

Japanese 納豆菌
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The story

  1. Japanese · derived from納豆菌“nattō-bacteria”
  2. English todaynattokinase

From Japanese 納豆菌 (nattōkin, “nattō-bacteria”) + -ase. (It is not a kinase.)

Etymology from Wiktionary, CC BY-SA 4.0.