νομός

Etymology
From.

Noun

 * 1) pasture, field
 * 2) herbage, food
 * 3) division, distribution
 * 4) dwelling, residence
 * 5) district, region, province (particularly of Egypt), satrapy

Etymology
From.

Noun

 * 1) nome, department, county, prefecture

Usage notes
A subdivision of a, each is divided into επαρχίες.