tvaṣṭā yat tvam adhās tataḥ

dadhyaṅ-Dadhyanca; atharvanah-the son of Atharva; tvastre-unto Tvasta; varma-the protective covering known as Narayana-kavaca; abhedyam-invincible; mat-atmakam-consisting of Myself; visvarupaya-unto Visvarupa; yat-which; pradat-delivered; tvasta-Tvasta; yat-which; tvam-you; adhah-received; tatah-from him.