Where does “*lua” come from?

*lua (Proto-Polynesian) comes from Proto-Oceanic luaq, from Proto-Malayo-Polynesian luaq.

Ancestry of “*lua”, step by step

Step	Language	Word	Meaning
1	Proto-Oceanic	luaq	—
2	Proto-Malayo-Polynesian	luaq	—

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