Adat
pa2ɹase2pha2ns biːpɹɑːfiːniː tɹɐdɪʃən bʌt dʌznɒt fʊli kaptʃə ðə liːɡəl slaʃ səʊʃəl aspɛkts ɔːɹ ɐ fɹeɪz laɪk kha2naɜba2tha2ɹa2ɹa2me2nsja2m kanɒp θamnaɪam kʌstəmz and tɹɐdɪʃənz
In Thai ประเพณี (bpra-phee-nee) - tradition, but does not fully capture the legal/social aspects; or a phrase like ขนบธรรมเนียม (khà-nǒp tham-ní-am) - customs and traditions.
Customs, traditions, or customary law, which are a set of social and cultural norms.
Example
"Adat resam Melayu sangat unik."