A traditional Malay or Southeast Asian taboo, prohibition, or ritual restriction on certain foods or behaviors.
From Malay 'tabu' (meaning forbidden), which was borrowed into English as 'taboo'; 'cattabu' appears to be a variant or older form incorporating a prefix or classifier.
The word 'taboo' itself came from Pacific Islander cultures and travels through trade languages—'cattabu' might be a halfway point in that journey, showing us language evolving in real-time across continents!
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