viaticum

noun3

1. •
   Provisions, money, or other supplies given to someone setting off on a long journey.

   • Towards night-fall he entered a town called Sa’adiyah where he alighted and took out somewhat of his viaticum and ate. — 1885
2. •
   The Eucharist, when given to a person who is dying or one in danger of death.

   • […]from Anglo-Saxon times there had been a deep conviction that to receive the viaticum was a virtual death sentence which would make subsequent recovery impossible. — 1971
3. •
   A portable altar.