FromProto-Polynesian*rauka (compare withMaoriroaka(“abundant”) andHawaiianloaʻa(“to get, to acquire”)) fromProto-Polynesian*lawa-ka– compare withravaʻi ("rich, sufficient") androa (“very, entirely”). Alsodoublet ofroaʻa,[1] see bothMaorirehu andnehu for similar free variation of initial phonemes in related languages.
noaʻa