왼쪽: 쓰다, 매운 신(辛), 오른쪽: 묶을 束 (식물 木/禾(예: 볏단, 兼 참조), 끈으로 묶을 口)으로 묶음. Left: hot/bitter 辛 (needle used for tattoo), right: bundle 束 (Plants 木/禾 like sheafs of rice (cf.兼), which are bound with a ribbon 口 as a bundle.)
니모닉
날카로운 것은 묶으면 더욱 날카로워진다. Hot stuff in a bundle is even hotter.