Etymology

diapedesis

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Today it means: The migration of blood cells, especially leucocytes, through the intact walls of blood vessels into the surrounding tissue. Full definition →

First used 1625Ancient Greek πηδᾰ́ω
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The story

  1. Ancient Greek · derived fromπηδᾰ́ω“I leap”
  2. English todaydiapedesis

From New Latin, from Ancient Greek, from dia- + Ancient Greek πηδᾰ́ω (pēdắō, “I leap”).

First known use, by meaning

  • from 1625 The migration of blood cells, especially leucocytes, through the intact walls of blood vessels into the surrounding tissue.

Etymology from Wiktionary, CC BY-SA 4.0.