compound

something formed by a union of elements or parts; especially : a distinct substance formed by chemical union of two or more ingredients in definite proportion by weight

a word consisting of components that are words (such as rowboat, high school, devil-may-care)

a word (such as anthropology, kilocycle, builder) consisting of any of various combinations of words, combining forms, or affixes

to pay (interest) on both the accrued interest and the principal

to add to : augment

to form by combining parts

composed of or resulting from union of separate elements, ingredients, or parts: such as

having the blade divided to the midrib and forming two or more leaflets on a common axis

composed of united similar elements especially of a kind usually independent