Strong Hebrew #3690 - כְּסִלָה kislah (stupidity)

Strong's Exhaustive Concordance

Feminine of kecel; in a good sense, trust; in a bad one, silliness -- confidence, folly.

see HEBREW kecel

Englishman's Concordance

Brown-Driver-Briggs

1stupidityPsalm 85:9 (but read לִבָּם לֹהᵐ5 Bae Che).

2confidence, suffix כִּסְלָתֶ֑ךָJob 4:6.

Englishman's Concordance (References)

Strong's Hebrew: 3690. כִּסְלָה (kislah) — 2 Occurrences

Job 4:6
HEB:הֲלֹ֣א יִ֭רְאָתְךָ כִּסְלָתֶ֑ךָ תִּ֝קְוָתְךָ֗ וְתֹ֣ם
NAS: Is not your fear [of God] your confidence, And the integrity
KJV: [Is] not [this] thy fear, thy confidence, thy hope,
INT: not afraid your confidence hope and the integrity

Psalm 85:8
HEB:וְֽאַל־ יָשׁ֥וּבוּ לְכִסְלָֽה׃
NAS: But let them not turn back to folly.
KJV: but let them not turn again to folly.
INT: nay turn to folly