Strong's #523: 'ummah (pronounced oom-maw')
from the same as 517; a collection, i.e. community of persons:--nation, people.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
'ûmmah
1) people, tribe, nation
Part of Speech: noun feminine
Relation: from the same as H517
Usage:
This word is used 3 times:
Genesis 25:16: "and by their castles; twelve princes according to their nations."
Numbers 25:15: "of Zur; he was head over a people, and of a chief house in Midian."
Psalms 117:1: "ye nations: praise him, all ye people."