所持

1. Origins, structure, and basic meaning

• Structure: 所持 is read as しょじ and is a noun or する verb for having or carrying an item in one's possession.
• Basic usage: Possession is checked in 身分証の所持を確認する, while an object takes を in 地図を所持する.

2. Common pitfalls and similar expressions

• Register versus 持つ
  • It is more formal than everyday carrying or holding and suits entry checks and descriptions of equipment.
• Noun and verb patterns
  • 身分証の所持 names the state being verified, while 所持していた states that items were being carried.