Meaning of the Sanskrit Word: praiyavratah

  praiyavratah—a son of Maharaja Priyavrata    SB 5.20.25, SB 5.20.31
  praiyavratah—the son of Maharaja Priyavrata    SB 5.20.14, SB 5.20.20
  praiyavratah—related to King Priyavrata    SB 5.6.14

Can't find any compound Sanskrit words containing praiyavratah.