Strong's #985: bitchah (pronounced bit-khaw')
feminine of 984; trust:--confidence.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
biṭchâh
1) trust, trusting, confidence
Part of Speech: noun feminine
Relation: from H984
Usage:
This word is used 1 times:
Isaiah 30:15: "and rest shall ye be saved; in quietness and in confidence shall be your strength: and ye would not."