The saying of centipede in geomantic omen of Yin House is

I'm sorry to hear about your grandmother's death. The appearance of centipede at your grandmother's funeral may have some symbolic significance, and the specific explanation may vary from person to person. Here are some possible explanations:

1. Centipede is usually considered as an evil creature, because it can release venom and has strong viability. The appearance of centipede in front of the mourning hall may imply that your grandmother's departure makes people feel sad and painful, and also remind people to remain strong and resilient in grief, just like centipedes survive in adversity.

Centipede is also regarded as a symbol of wealth and good luck in traditional culture. The centipede's appearance at your grandmother's funeral may mean that her soul is at peace, and her departure will bring good luck and wealth to the family.

3. Centipede is also considered as a creature that can exorcise evil spirits. The appearance of centipede at your grandmother's funeral may imply that her departure will dispel the evil and negative energy in the family and bring new hope and light to the family.

It should be noted that these explanations are only an interpretation of this phenomenon, and the specific situation may vary from person to person. At this time, the most important thing is to express the memory and condolences for the deceased, as well as the support and care for the family.