en_tn_condensed/psa/037/030.md

the righteous

This refers to the people who are righteous. Alternate translation: "the righteous people" (See: rc://en/ta/man/jit/figs-nominaladj)

The mouth of the righteous person

Here "mouth" represents the whole person who speaks. Alternate translation: "The righteous person" (See: rc://en/ta/man/jit/figs-synecdoche)

speaks wisdom

The abstract noun "wisdom" can be stated as "wise." Alternate translation: "gives wise advice to others" (See: rc://en/ta/man/jit/figs-abstractnouns)

increases justice

The abstract noun "justice" can be stated as an action. Alternate translation: "encourages other people to live rightly" (See: rc://en/ta/man/jit/figs-abstractnouns)