Meaning of the Sanskrit Word: dhrstaketuh

  dhṛṣṭaketuḥ—Dhṛṣṭaketu    Bg 1.5, SB 9.17.9, SB 9.24.38
  dhṛṣṭaketuḥ—a son named Dhṛṣṭaketu    SB 9.13.15, SB 9.22.3

Can't find any compound Sanskrit words containing dhrstaketuh.