Where does “Keaka” come from?

Keaka (Hawaiian) comes from Hawaiian aka, from Proto-Polynesian *qata.

Ancestry of “Keaka”, step by step

Keaka traces back through two separate lines of ancestry.

via Hawaiian aka

StepLanguageWordMeaning
1Hawaiianakaappearing, bright
2Proto-Polynesian*qata—

via Hawaiian ke

StepLanguageWordMeaning
1Hawaiiankethe
Every word from Proto-Polynesian *qata →Every word from Hawaiian aka →