The story
- Proto-Austronesian*kaSiw
- Proto-Malayo-Polynesian*kahiw
- Proto-Central-Eastern Malayo-Polynesian*kayu
- Proto-Eastern Malayo-Polynesian*kayu
- Proto-Oceanic*kayu
- Proto-Polynesian*kau
- Hawaiianʻau
- Proto-Austronesian*(ma-)tuqaS
- Proto-Malayo-Polynesian*(ma-)tuqah
- Proto-Central-Eastern Malayo-Polynesian*(ma-)tuqa
- Proto-Eastern Malayo-Polynesian*(ma-)tuqa
- Proto-Oceanic*matuqa
- Proto-Polynesian*matuqa
- Hawaiianmakua
- Hawaiianʻaumakua
- English todayaumakua
Borrowed from Hawaiian ʻaumakua.
Etymology from Wiktionary, CC BY-SA 4.0.