What is the origin of cheerful in Hebrew?

The origin of the word "cheerful" in Hebrew is the root צהל (tzahal), which means "to rejoice, be happy, be glad". The root is used in various forms in the Bible to describe feelings of joy and happiness, such as in the verse: "My heart is glad, and my soul rejoices" (Psalm 13:5). The noun form of the root, צהלה (tzahala), means "joy, rejoicing, gladness".