Meaning of the Sanskrit Word: usanasa

  usanasa—with Sukracarya    SB 8.10.32, SB 8.10.33, SB 8.10.34, SB 8.10.32-34
  usanasa—by Sukracarya    SB 8.11.48
  usanasa—with Venus    SB 5.22.13

Can't find any compound Sanskrit words containing usanasa.