Strong's #4001: mbuwcah (pronounced meb-oo-saw')
from 947; a trampling:--treading (trodden) down (under foot).
Brown-Driver-Briggs Hebrew Lexicon:
ּ
mebûsâh
1) downtreading, subjugation
Part of Speech: noun feminine
Relation: from H947
Usage:
This word is used 3 times:
Isaiah 18:2: "their beginning hitherto; a nation meted out and trodden down, whose land"
Isaiah 18:7: "their beginning hitherto; a nation meted out and trodden under foot, whose land"
Isaiah 22:5: "For it is a day of trouble, and of treading down, and of perplexity by the Lord GOD of hosts"