窓口

1. Origins, structure, and basic meaning

• Structure: 窓口(まどぐち) means a service counter or a contact point that handles inquiries.
• Basic usage: It refers to a place to submit an application or a service to contact for advice.

2. Common pitfalls and similar expressions

• The combined reading of 口
  • After 窓(まど), meaning window, 口(くち) is read as ぐち in this compound.