Where does “” come from?

辴 (Chinese) comes from Proto-Sino-Tibetan *s-r(j)a-j/s/t — to laugh.

Ancestry of “”, step by step

StepLanguageWordMeaning
1Proto-Sino-Tibetan*s-r(j)a-j/s/tto laugh
Every word from Proto-Sino-Tibetan *s-r(j)a-j/s/t