Common abbreviation for Captain, a military or naval rank, or for various technical terms like Current Procedural Terminology.
Abbreviated from 'Captain', from Latin 'capitaneus' meaning 'chief', derived from 'caput' (head). The abbreviation developed for brevity in military and official contexts.
The abbreviation 'CPT' showcases how military efficiency shaped modern communication - stripping away vowels while preserving the essential consonant structure that makes words recognizable. This same principle influenced early telegraph codes and now modern texting abbreviations, showing how resource constraints drive linguistic evolution.
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