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.