Etymology

posology

po·so·lo·gy
P3O1S1O1L1O1G2Y4

Today it means: The study of the dosages of drugs, especially the determination of appropriate dosages. Full definition →

First used 19th c.Ancient Greek πόσος
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The story

  1. Ancient Greek · derived fromπόσος“how much?”
  2. English todayposology

From Ancient Greek πόσος (pósos, “how much?”) + -ology (suffix indicating a branch of learning).

First known use, by meaning

  • from 19th c. The study of the dosages of drugs, especially the determination of appropriate dosages.

Etymology from Wiktionary, CC BY-SA 4.0.