Where does “*ʀudaŋ” come from?

*ʀudaŋ (Proto-Malayo-Polynesian) comes from Proto-Austronesian *ʀudaŋ.

Ancestry of “*ʀudaŋ”, step by step

Step	Language	Word	Meaning
1	Proto-Austronesian	*ʀudaŋ	—