It arose early in Pre-Socratic philosophy and became formalized with Pyrrho, the founder of the earliest Western school of philosophical skepticism.
Tizgarid shik daɣ migridan win dat Soərate izar tatwazay ad Ɗyrrho,amizar ən liəoy tazarat tan egaɗel ən tafuk ye ashabag ən magradan.