commingle
verb [ T ]
FINANCE uk/kəˈmɪŋɡl/ usto mix an amount of money belonging to one person, business, or account with that of another when the money should have been kept separate:
commingle sth between sth The schools regularly commingled funds between accounts.
commingling
noun [ U ]
He had to answer questions about the commingling of endowment funds with other museum funds.