mar.ze.ach denotes the setting of mourning that Jeremiah 16:5 forbids entering or joining.

The attested use denotes a mourning setting: in Jeremiah 16:5, it is the place or gathering that is not to be entered or joined for mourning.

1. Mourning setting or gathering · dominant

   In Jeremiah 16:5, the masculine singular absolute noun occurs in the instruction not to enter it, followed by prohibitions against mourning and being among those present. The APB renders the clause "Do not enter a house of mourning," confirming the verse's setting.

   Jeremiah 16:5

In the Anselm Project Bible: In Jeremiah 16:5, the APB presents the setting as "a house of mourning." That wording identifies the verse's overall setting rather than establishing a precise one-word rendering.