Meaning of the Sanskrit Word: samvatsaram

  samvatsaram—for one year    SB 6.18.54, SB 9.4.29
  samvatsaram—Samvatsara    SB 5.22.7
  samvatsaram—for a year    SB 6.18.45
  samvatsaram—a year    SB 6.18.66-67
  samvatsaram—year    SB 9.7.20
  samvatsaram—for one complete year    SB 9.16.1

Can't find any compound Sanskrit words containing samvatsaram.