Definitions

qiú an atom group

Etymology phono-semantic

Phonetic:

About

The character , simplified from , was created for organic chemistry nomenclature to represent the mercapto (sulfhydryl) group, a sulfur atom bonded to hydrogen. Its construction is a visual puzzle: the component 𢀖 is taken from the bottom of (hydrogen), while comes from the right side of (sulfur), together forming a literal diagram of -SH. The traditional form follows the same logic, combining from (hydrogen) with .