You searched for: “in articulo mortis
in articulo mortis
In the grasp of death or at the moment of death.

A statement made in articulo mortis, "at the point of death", carries special weight; since it is believed that a person about to die has nothing to gain, perhaps much to lose, by lying.

Word Entries at Get Words: “in articulo mortis
In articulo mortis.
At the point of death.
This entry is located in the following unit: Graveyard words for a greater understanding of epitaphs (page 4)