Etymology

corazonin

C3O1R1A1Z10O1N1I1N1

Today it means: A neuropeptide present in many insects Full definition →

Spanish corazón
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The story

  1. Spanish · borrowed fromcorazón“heart”
  2. English todaycorazonin

From Spanish corazón (“heart”), because of its ability to accelerate the heartbeat in Periplaneta americana.

Etymology from Wiktionary, CC BY-SA 4.0.