en_tn_condensed/psa/106/015.md

but he sent a horrible disease

Here David speaks about Yahweh causing the people to be afflicted by a disease as if Yahweh sent a disease to them in the same way that someone sends a person or a messenger. AT: "but he caused them to suffer from a horrible disease" (See: rc://en/ta/man/translate/figs-metaphor)

a horrible disease

a disease that caused people to slowly become weak and caused some of them to die