They're not saying that 'dette' is unrelated, they very clearly state that it comes from the latin 'debitum' from which the word debit also originates. But whil

They're not saying that 'dette' is unrelated, they very clearly state that it comes from the latin 'debitum' from which the word debit also originates. But while debt descends from debitum, it is a different word. A word pronounced /dEt/ was in common use for centuries without ever having a b in it.