An Etymological Dictionary of Astronomy and Astrophysics

1. General: The act or manner of composing; the result or product of composing.
   

2. Chemistry: The proportion of the elements of which a substance is made up.
   

3. Mechanics: The determination of a force whose effect is the same as that of two or more given forces acting simultaneously.

Etymology (PE): Hamnehesh, from ham-, → com-,

• neheš verbal noun from nehâdan “to put, place,” → compose.