ben-o.ni is the personal name given by a dying mother in Genesis 35:18.

The attested use is a proper personal name: in Genesis 35:18, a dying mother calls her son by this name before his father calls him Benjamin.

1. A name given by a dying mother · dominant

   The form is marked as a proper noun in Genesis 35:18, where it occurs in the clause in which the mother calls her son's name as her soul goes out. In Genesis 35:18 the APB renders the verse, “she called his name Ben-oni, but his father called him Benjamin.”

   Genesis 35:18

In the Anselm Project Bible: In Genesis 35:18, the APB preserves the name as “Ben-oni” within the contrast between the mother's naming and the father's naming of Benjamin.