compound
noun
1.
a whole formed by a union of two or more elements or parts
2.
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
Derived from:
compound 3.
an enclosure of residences and other building (especially in the Orient)
4.
a word (as anthropology, kilocycle, builder) consisting of any of various combinations of words, combining forms, or affixes.