Meaning of the Sanskrit Word: santanuh

  śāntanuḥ—Śāntanu    SB 9.22.12-13, SB 9.22.14-15
  śāntanuḥ—King Śāntanu    SB 9.21.36
  śāntanuḥ—known as Śāntanu    SB 9.22.14-15

Can't find any compound Sanskrit words containing santanuh.