faaatuatu, faa-atuatu faaauau

faaau,  v.a. to assist another to swim; to cause an article or thing to float by swimming with it. [Dav : 1789]
faaau,  v.a. to fit or suit one thing to another; to regulate, set in order; make an agreement; see au. [Dav : 1790]
faa-áu,  p.a. faire nager. Faa-au, pa. rendre agréable, convenable, digne, régulier. Parau faa-au, contrat. Faa-auraa, s. agrément; comparaison, signification. [Jau :611] (note)