en_tn/psa/068/003.md

the righteous

This refers to the righteous people in general. (See: rc://en/ta/man/jit/figs-nominaladj)

rejoice with gladness

"rejoice and be happy" or "be joyful and glad." This is probably a hendiadys. Alternate translation: "be very glad" (See: rc://en/ta/man/jit/figs-hendiadys)