Siculo. Unexpected counterforms remarkably fitting the name

The gelato shop in the Italian city of Turin. For three days, I thought that the charm would fade away soon, and I wouldn't share it, but it doesn't fade.

Despite the clarity of the structures, two things are unclear:

  1. How did the idea of using inverted counterforms come to mind?
  2. Why did this idea fit the name so well (perhaps the name was adjusted to fit)?

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Gelateria Siculo