her soul = her life. Hebrew. nephesh (App-13), rendered "life" in Gen_1:20.
in departing = ebbing away, or failing (Gen_42:28. Son_5:6); or ending (Exo_23:16). In Eze_7:10 rendered "gone forth"; Exo_23:26. In Eze_26:18 rendered "departure".
Ben-oni = Son of my sorrow.
Benjamin = Son of my right hand. The word rendered "sorrow" ('avon) is a Homonym, the other meaning being "strength", and is so rendered in Gen_49:3. Deu_21:17. Job_18:7, Job_18:12 &c. It is rendered "mourning" in Deu_26:14. Hos_9:4. This Homonym is the basis of Jacobs change of Benjamin's name. The Authorized Version and Revised Version both recognize this Homonym.