Exsultet Orbis Gaudis

Exsúltet õrbis gáudiis "Let the world rejoice with joys" or "May the earth exult with joys"
This is the opening line of a medieval Latin hymn, often used in Christian liturgical contexts. The verb exsultet means "let it rejoice/exult," orbis means "world/earth," and gaudiis is the ablative plural of gaudium meaning "with joys."