viaticum
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.
Provisions, money, or other supplies given to someone setting off on a long journey.
figuratively
Towards night-fall he entered a town called Sa’adiyah where he alighted and took out somewhat of his viaticum and ate.
A portable altar.
Where it comes from
From Latin viāticum (“travelling-money, provisions for a journey”), from viāticus (“of a road or journey”), from via (“road”). Doublet of voyage.
Adapted from the Wiktionary entry viaticum (CC BY-SA 4.0).