Etymology

obturate

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Today it means: To block up or obstruct. Full definition →

First used 1616Latin obtūrātus
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The story

  1. Latin · borrowed fromobtūrātus
  2. English todayobturate

Borrowed from Latin obtūrātus, perfect passive participle of obtūrō, see -ate (verb-forming suffix) and -ate (adjective-forming suffix).

First known use, by meaning

  • from 1616 To block up or obstruct.
  • from 1616 To stop up (a gun breech) so as to prevent the escape of gas when firing.
  • 1540–1648 Impervious.

Etymology from Wiktionary, CC BY-SA 4.0.