Where does “magdaya” come from?

magdaya (Bikol Central) comes from Bikol Central daya, from Malay daya, from Proto-Malayic daya, from Proto-Malayo-Polynesian daya, from Proto-Austronesian daya — landward; upstream.

Ancestry of “magdaya”, step by step

StepLanguageWordMeaning
1Bikol Centraldaya—
2Malaydayalandward; upstream; trick
3Proto-Malayicdaya—
4Proto-Malayo-Polynesiandayalandward; upstream; to trick
5Proto-Austronesiandayalandward; upstream
Every word from Proto-Austronesian daya →Every word from Proto-Malayo-Polynesian daya →Every word from Proto-Malayic daya →