About
The character "矾", denoting alum, developed from its traditional form "礬", a compound character where the radical "石" signifies stone and "樊" functions as a phonetic component. Through simplification, the form became "矾", with "石" remaining as the semantic indicator and "凡" acting as a simplified phonetic element. Etymologically linked to mineral substances, the character has always referred to alum and similar metallic sulfates, compounds utilized historically in applications such as dyeing, medicine, and water purification. The structural transformation involved a shift from a top-bottom to a left-right arrangement and a reduction in stroke count, aligning with practical modifications for written efficiency.