Polysynthesis
Pronunciation : Pol`y*syn"the*sis
Part of Speech : n.
Etymology : [Poly- + synthesis.]
Definition : 1. The act or process of combining many separate elements into a whole.
2. (Philol.)
Defn: The formation of a word by the combination of several simple words, as in the aboriginal languages of America; agglutination. Latham.
Source : Webster's Unabridged Dictionary, 1913