Where does “rai duo belas” come from?

rai duo belas (Musi) comes from Musi rai, from Javanese rai, from Proto-Malayo-Polynesian daqih, from Proto-Austronesian daqiS — forehead.

rai duo belas (Musi): two-faced

Definitions

  1. two-faced

Ancestry of “rai duo belas”, step by step

rai duo belas traces back through two separate lines of ancestry.

via Musi rai

StepLanguageWordMeaning
1Musiraiface
2Javaneseraiface
3Proto-Malayo-Polynesiandaqihforehead
4Proto-AustronesiandaqiSforehead

via Musi duo belas

StepLanguageWordMeaning
1Musiduo belastwelve
Every word from Proto-Austronesian daqiS →Every word from Proto-Malayo-Polynesian daqih →Every word from Javanese rai →