
1) Hawaiian mythology
Found on
https://www.crosswordclues.com/clue/kapu

Kapu refers to the ancient Hawaiian code of conduct of laws and regulations. The kapu system was universal in lifestyle, gender roles, politics, religion, etc. An offense that was kapu was often a corporal offense, but also often denoted a threat to spiritual power, or theft of mana. Kapus were strictly enforced. Breaking one, even unintentionally...
Found on
http://en.wikipedia.org/wiki/Kapu
[caste] Kapu refers to a social grouping of the Telaga and Balija subcastes found primarily in the southern Indian state of Andhra Pradesh. Kapus speak Telugu and are primarily an agrarian community, forming a heterogeneous peasant caste. The Kapu community in Andhra Pradesh is predominantly concentrated in the coastal districts, North Tela...
Found on
http://en.wikipedia.org/wiki/Kapu_(caste)

forbidden, sacred
Found on
http://www.hawaii-luaus.com/hawaiian-word-glossary/
No exact match found.