Meaning of the Sanskrit Word: ayusyam

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

Can't find any compound Sanskrit words containing ayusyam.