To remove or undo a block or blockage; to clear something that is blocked or restricted.
From 'de-' (reversal/removal) + 'block.' A modern English formation following standard word-building patterns, emerging in the 20th century.
In software and technology, 'deblock' became crucial—JPEG images use 'deblocking filters' to smooth out the blocky artifacts that appear when compression goes wrong. It's a technical rescue mission!
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