tumoarau tumumu

tumu,  s. root, origin, cause, foundation.
— s. the name of a certain bird. [Dav : 9246]
tumû,  a. blunt, pointless; see tiamu.
— v.n. to be confounded. [Dav : 9247]
tumu,  s. a. pn. racine, origine, cause, fondement; tronc; émoussé; être confondu. Hara tumu, péché originel. Pape tumu, eau de source. [Jau :4804] (note)