戸口

1. Origins, structure, and basic meaning

• Structure: The spelling is 戸口, read とぐち, and it is a place noun combining 戸, meaning door, with 口, meaning opening or entrance.
• Basic usage: The basic sense of 戸口 is a doorway or the immediate entrance area used to go into and out of a building or room.

2. Common pitfalls and similar expressions

• The entrance space rather than the door panel
  • Both examples use the form 戸口. The focus is on the opening and nearby space through which people pass, rather than on the movable door itself.
• A blocked entrance and a greeting place
  • 戸口に荷物が置かれていて中へ入れなかった。 — A package blocked the doorway, so I could not enter.
  • 犬は戸口まで主人を迎えに出た。 — The dog came to the doorway to greet its owner.