畳表

1. Origins, structure, and basic meaning

• Structure: In 畳表 (たたみおもて), tatami 畳 and surface 表 combine to name its woven facing.
• Basic usage: 畳表 is the woven facing that forms the visible surface of a tatami mat.

2. Common pitfalls and similar expressions

• Mat facing versus the whole tatami
  • It should not be broadened to the whole finished 畳, including its core and border.