IPA: /ˈbɪlər/
KK: /ˈbɪlər/
A person or machine that creates or issues bills for payment.
The biller sent the invoice for the services rendered last month.
Biller → The word 'biller' originates from the Old English 'bilan', meaning to make a bill or account. It refers to a person who issues bills or invoices.
Think of someone who 'makes' ('bilan') a 'bill' — that's why a biller is a person who creates bills.