Part with/from/away
part fromThe Free Dictionary
part from someone: to leave someone.
I just hate parting from you.
I must part from her now.
part with (Macmillan Dictionary
part with something: to give something to someone although you would prefer to keep it
I don’t want to part with any of my books.
I look at is as a difference in relationship.
You 'part with' something that you possess:
I could be persuaded to part with this pocket watch for $30".
You 'part from' something or a group:
I must part from you for now but I count the hours until I return".