pass away

verb3

1. •
   (euphemistic) To die.

   • After a long battle with cancer, the professor passed away yesterday.
   • Her great grandmother passed away yesterday.
2. •
   (literary, no longer used) To disappear; to cease to be; to be no more.

   • Returne with speed, time passeth swift away, Our life is fraile, and we may dye to day. — 1587
3. •
   (no longer used) To spend; to waste.

   • Lest she pass away the flower of her age. — 1611