ξυστός

Etymology 1
From the root of.

Adjective

 * 1) shaved, whittled with a knife or plane
 * 2) scraped, shredded, grated
 * 3) trimmed, cropped with scissors

Etymology 2
From the adjective, in the sense of "smoothened floor".

Noun

 * 1) walking-place in the grounds of a private residence
 * 2)  covered colonnade in a gymnasium, for winter exercise
 * 3) meeting of athletes from various places to compete in sports