aroriu arorua, aro-rua

aroro,  s. a rope used as a stay to the mast of a sailing canoe. [Dav : 1010]
aroro,  v.n. to be lost to view, as a star that was a guide at sea; lost as a word or sentence that is obsolete; to be extinct as a family. [Dav : 1011]
aroro,  p.n. perdu de vue, éteint, hors d'usage. [Jau :333]