Strong's #1745: duwmah (pronounced doo-maw')

from an unused root meaning to be dumb (compare 1820); silence; figuratively, death:--silence.

Brown-Driver-Briggs Hebrew Lexicon:

ּּ

dûmâh

1) silence

Part of Speech: noun feminine

Relation: from an unused root meaning to be dumb (compare 1820)

Usage:

This word is used 2 times:

 

Psalms 94:17: "my soul had almost dwelt in silence."
Psalms 115:17: "neither any into silence."