Definition of adat in English:

adat

noun

  • In the Islamic regions of South-East Asia: custom, accepted practice.

Origin

Late 18th century; earliest use found in William Marsden (1754–1836), orientalist and numismatist. From Malay adat custom, convention, rule, law, customary law (Indonesian adat) from Persian ʿādat habit, custom from Arabic ʿādat-, ʿāda habit, custom, usage, practice.

Pronunciation:

adat

/ˈadat/