Meaning of the Sanskrit Word: sarasvatyah

  sarasvatyah—of the River Sarasvati    SB 1.4.27, SB 2.9.45, SB 3.22.26-27, SB 3.23.25
  sarasvatyah—on the bank of the Sarasvati    SB 1.4.15
  sarasvatyah—of the Sarasvati    SB 3.33.13

Can't find any compound Sanskrit words containing sarasvatyah.