Meaning of the Sanskrit Word: tvisa

  tvisa—with a luster    Adi 3.52, Madhya 11.100, Madhya 20.342, Antya 20.10
  tvisa—by the luster    SB 8.18.2
  tvisa—by the beauty    SB 10.3.9-10
  tvisa—by the brilliance    SB 10.6.5-6
  tvisa—by complexion    Madhya 6.103

Can't find any compound Sanskrit words containing tvisa.