🔼The name Chesiluth in the Bible
Onomasticons usually don't incorporate the name Chesiluth because this name is one of the few Biblical names which always gets translated (like Qoheleth).
In the Bible this name occurs only in Proverbs 9:13, where Lady Folly (Chesiluth) is reviewed juxtaposed with Lady Wisdom (Hochma).
🔼Etymology of the name Chesiluth
The name Chesiluth is a proper feminine noun derived from the root-verb כסל (kasal), meaning either to be confident or to be stupid:
None of the onomasticons we routinely consult feature this name, but it means Folly or Stupidity.