noun
Refers to the act of recording something in a ledger, register, or account book. Often used in business or accounting contexts.
売上を帳簿に付け込みする。
I record the sales in the ledger.
経費の付け込みを忘れないでください。
Please don't forget the entry of expenses.
Compound of 付け (tsuke, 'attaching' or 'adding') and 込み (komi, 'including' or 'putting in'), from the verb 付ける (tsukeru, 'to attach') and 込む (komu, 'to put in'). The combination refers to the act of entering items into a record.