gum.mats denotes a dug pit in the warning that its digger may fall into it.

The attested use denotes a pit made by digging, named in a warning that the one who digs it may fall into it.

1. A pit dug by a person · dominant

   In Ecclesiastes 10:8, the masculine singular absolute noun occurs as the object of digging and as the place into which its digger may fall; the APB renders the clause, "Whoever digs a pit will fall into it."

   Ecclesiastes 10:8

In the Anselm Project Bible: In Ecclesiastes 10:8, the APB presents the noun in the clause "Whoever digs a pit will fall into it." The clause rather than an isolated English token supplies the confirmation.