设定
shèdìng · HSK 7
to set; to set up
⚙️ 设 = set up + 定 = fix/settle → set-and-settle = to set or establish (a setting)
设 — speech 讠 + hand holding tool 殳
设 combines 讠 (speech) with 殳 (a hand wielding a tool or weapon), suggesting giving orders to set something up. The original sense was to arrange or establish through command, which extended to today's meanings of 'set up,' 'design,' or 'suppose.'
定 — roof 宀 + 正 (correct/upright, phonetic)
Originally written with 宀 (roof) over 正 (upright/correct), suggesting a household settled and orderly under its roof. Over time 正 simplified to 㐬-like form at the bottom, and the meaning shifted from 'settled home' to the broader senses of 'fix, stable, decide.'