选用
xuǎnyòng · HSK 7
select and use/apply
✅🔧 选 (select) + 用 (use) = pick something out and put it to use
选 — 辶 walk + 巽 (xùn, phonetic)
选 combines the walking radical 辶 with 巽, which suggests the sound. The original sense relates to going through or passing by, extended to 'picking out' or 'choosing' from a group. The simplified form replaces the older 選.
用 — pictograph of a bucket or wooden pail
用 originally depicted a bucket or container, possibly a sacrificial vessel made of wood. Over time it was borrowed to mean 'to use' or 'employ,' losing its concrete object sense. The modern meaning 'use' has been standard since early classical Chinese.