监测
jiāncè · HSK 6
monitor
👁️📊 监 watch + 测 measure — supervise by checking readings
A supervisor (监) who runs measurements (测). Real monitoring means tracking numbers, not just standing around.
测 — water radical 氵 + 则 (rule/standard)
测 combines the water radical 氵, hinting at meaning, with 则 (rule, standard), which also supplies the sound. Originally it referred to gauging the depth of water, then broadened to mean measuring, surveying, or testing in general.