Stoppers made from cork material used to seal bottles, or the spongy bark of the cork oak tree.
From Spanish 'corcho,' which came from Latin 'cortex' meaning bark. The Spanish word spread through trade as cork became a valuable export from the Mediterranean.
Cork comes from a tree that naturally regenerates its bark without dying—it's the only plant that does this! That's why cork forests are ancient, sustainable, and have been in use for 3,000 years.
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