noun
bill collection; debt collection
Refers to the act of collecting payments or debts, often in a business context.
月末は掛け取りに追われる。
At the end of the month, I'm busy with bill collection.
noun
bill collector; debt collector
Refers to a person whose job is to collect payments or debts.
掛け取りが毎週店に来る。
A bill collector comes to the shop every week.
Compound of 掛け (kake, 'credit') + 取り (tori, 'taking'). The exact historical derivation is uncertain, but the word transparently refers to collecting money owed.