Meaning of the Sanskrit Word: ayusyam

  ayusyam—long duration of life    SB 4.7.61
  ayusyam—increasing the duration of life    SB 4.12.45
  ayusyam—the source of an increased span of life    SB 4.23.35
  ayusyam—which increases one’s duration of life    SB 5.14.46
  ayusyam—and an increase of the duration of life    SB 6.14.35

Can't find any compound Sanskrit words containing ayusyam.