大工

1. Origins, structure, and basic meaning

• Structure: 大工(だいく) is a carpenter who works with wood to construct or repair buildings and similar structures.
• Basic usage: It identifies someone replacing an old pillar or describes carpentry as a profession.

2. Common pitfalls and similar expressions

• A profession and work at home
  • 大工として働く means working as a carpenter.
  • 日曜大工 refers to do-it-yourself woodworking or repairs at home for pleasure or practical needs, rather than only professional carpentry.