Meaning of the Sanskrit Word: dhrstaketuh

  dhrstaketuh—Dhrstaketu    Bg 1.5, SB 9.17.9, SB 9.24.38
  dhrstaketuh—a son named Dhrstaketu    SB 9.13.15
  dhrstaketuh—the son named Dhrstaketu    SB 9.22.3

Can't find any compound Sanskrit words containing dhrstaketuh.