From batach; properly, a refuge, i.e. (objective) security, or (subjective) assurance -- confidence, hope, sure, trust.
see HEBREW batach
H4009. mibtach
מִבְטָח noun [masculine] confidence Ezekiel 29:16 — construct מִבְטַח Proverbs 14:26 2t.; suffix מִבְטַהִי Job 31:24 6t. (dag. implicit); מִבְטֶחָם Jeremiah 48:13; מִבְטֶחָהֿ Proverbs 21:22; plural מִבְטַחִים Isaiah 32:18; מִבְטָחַיִךְ Jeremiah 2:37; —
1 the act of confiding Proverbs 21:22; 22:19; 25:19.
2 the object of confidence Job 8:14; 18:14; 31:24; Psalm 40:5; 65:6; 71:5; Jeremiah 2:37; 17:7; 48:13; Ezekiel 29:16.
3 the state of confidence, security Proverbs 14:26; Isaiah 32:18.