polysynthesism

[pol-i-sin-thuh-siz-uh m]

noun

the synthesis of various elements.
the combining of several words of a sentence into one word.

Origin of polysynthesism

First recorded in 1880–85; poly- + synthes(is) + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019