Where does “*dua” come from?

*dua (Proto-Central Malayo-Polynesian) comes from Austronesian *duha, from Proto-Austronesian duSa — two.

Ancestry of “*dua”, step by step

StepLanguageWordMeaning
1Austronesian*duha—
2Proto-AustronesianduSatwo

Words derived from “*dua”

Every word from Proto-Austronesian duSa →Every word from Austronesian *duha →
*dua — Etymology, Origin & Word History | Etymology Explorer