Meaning of the Sanskrit Word: samsrtim

  saṁsṛtim—material existence    SB 1.5.19, SB-4.21.32
  saṁsṛtim—in the hurdle of birth and death    SB 1.1.14
  saṁsṛtim—to repeated birth and death    SB 3.31.31
  saṁsṛtim—in material existence.    SB 7.13.28
  saṁsṛtim—prolongation of material existence    SB 9.19.20

Can't find any compound Sanskrit words containing samsrtim.