畝間

1. Origins, structure, and basic meaning

• Structure: 畝間(うねま) means the space between raised planting ridges in a field.
• Basic usage: It is used for water flowing between ridges or for a farmer walking there while checking seedlings.

2. Common pitfalls and similar expressions

• を marks the space traversed
  • In 畝間を歩きながら, を marks the space walked through.
• Simultaneous actions
  • ながら indicates checking the seedlings while walking.
  • It does not mean that the checking began only after all the walking was finished.