kiasma

Etymology
From.

Noun

 * 1)  chiasma, chiasm crossing of two nerves, ligaments, chromatids etc.
 * 2)  chiasmus inversion of the relationship between the elements of phrases
 * 1)  chiasmus inversion of the relationship between the elements of phrases

Usage notes
For a common man this word is best known as the name of a museum of modern arts in Helsinki, see Kiasma