guruṇāṅgirasena yat

tam-him (Visvarupa); vavrire-accepted as a priest; sura-ganah-the demigods; svasriyam-the son of a daughter; dvisatam-of the inimical demons; api-although; vimatena-being disrespected; parityaktah-who were given up; guruna-by their spiritual master; aṅgirasena-Brhaspati; yat-since.