Where does “*lubaŋ” come from?

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

Ancestry of “*lubaŋ”, step by step

Step	Language	Word	Meaning
1	Austronesian	*lubaŋ	—

*lubaŋ — Etymology, Origin & Word History | Etymology Explorer