繊維質

1. Origins, structure, and basic meaning

• Structure: 繊維質 is read せんいしつ and means having abundant fibers or a fibrous structure.
• Basic usage: It describes the tough internal structure of plant stems or pieces of wood.

2. Common pitfalls and similar expressions

• Fibers and a property
  • 繊維 names fibers themselves; 繊維質 describes a fibrous property or structure. Here it is not limited to a nutrient in food.
• Before a noun
  • In 繊維質な構造, な connects the description to the structure it modifies.