Etymology

self-isolation

Today it means: Voluntary isolation from others, especially in order to avoid spreading a communicable disease. Full definition →

First used 19th c.
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The story

From self- + isolation.

First known use, by meaning

  • from 19th c. Voluntary isolation from others, especially in order to avoid spreading a communicable disease.

Etymology from Wiktionary, CC BY-SA 4.0.