Why does the word "shelter" in Chengde Summer Resort have an extra horizontal line?

The word "Xin" on the right side of the word "Bi" is written with an extra horizontal line, which is a variant of the word "Bi". The pronunciation and meaning are the same as the word "Bi" and cannot be typed, as shown below:

Pinyin of "Bi" : bì, pinyin: ㄅ一ˋ, simplified radical: 辶BU, strokes outside the ministry: 13 strokes, total strokes: 16

Traditional radical: 辵BU, strokes outside the ministry: 13 strokes, total Strokes: 17 strokes

Wubi: NKUP, Cangjie: YSRJ, Zheng code: WXJS, four corners: 30304

Structure: surrounded by lower left, code: 6699, location: 1760, Unicode: 907F

Stroke order: フ一ノ丨フ一丨一丶ノ一一丨丶フ丶

Interpretation:

1. Hide, try to avoid: Take shelter from the rain. Get away from the heat. Get away from the world. taboo. avoid. Avoid the important and take the easy. Escape from the world.

2. Prevent: avoid. contraception. avoid arousing suspicion. lightning rod. Extended information

Chinese character strokes:

Related words:

1. Avoid [duǒ bì]?

Deliberately leave or hide , making people invisible.

2. Avoid [bì ràng]?

Avoid; get out of the way.

3. Avoid [bì kāi]?

Avoid, do not contact.

4. To escape the heat [bì shǔ]?

Go to a cool place to live when the weather is hot.

5. Avoid [bì miǎn]?

Try to prevent a certain situation from happening; prevent.

6. To avoid suspicion [bì xián]?

To avoid suspicion on an issue in order to prevent others from suspecting it.