Melacha 20 · Fabric and clothing

Separating threads (Potzeia)

Learn the definition of separating threads, its place within the 39 melachos, and where the category can appear in contemporary life.

← All 39 melachos
20
CategoryFabric and clothing
Core definition

Undoing or separating woven threads for a constructive purpose.

The core idea

What does this melacha describe?

Undoing or separating woven threads for a constructive purpose.

Melacha is not simply strenuous work. It describes purposeful, creative activity. The practical question is whether an action creates the kind of result defined by this category; actions that appear similar may differ because of their method, purpose, or circumstances.

Contemporary examples

Where might it appear?

  • Unweaving fabric
  • Separating woven strands

These examples introduce the category. They are not a complete practical ruling, and their application can depend on the specific circumstances.

Its place in the framework

Fabric and clothing

These melachos follow the production of fabric, from preparing raw fibers through spinning, weaving, tying, sewing, and constructive tearing. They form a connected sequence rather than a collection of unrelated actions.

Shabbos asks us to pause this form of world-shaping work and encounter what is already here. Practical application depends on context and should be learned with qualified guidance.