糸巻き

1. Origins, structure, and basic meaning

• Structure: 糸巻き is read as いとまき and is a noun for a spool or bobbin used to wind and store thread.
• Basic usage: A wooden one appears in 木の糸巻き, while rewinding tangled thread appears in 糸を糸巻きに戻す.

2. Common pitfalls and similar expressions

• Tool and winding action
  • It denotes the object around which thread is wound, not the thread itself, and a material can modify it as in 木の.
• Difference from 糸
  • 糸 is the thread used for sewing or other work, whereas 糸巻き is the spool or bobbin that holds it.