Relating to or located in the area of the coccyx (tailbone).
From Greek 'kokkyx' (cuckoo, later tailbone) + Latin suffix '-al.' This common anatomical term emerged in medical English through Latin-influenced anatomy texts.
The coccyx got its name because ancient Greeks thought it resembled a cuckoo bird's beak—this funny origin story shows how scientific terminology can preserve ancient observations that seem bizarre by modern standards.
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