日趋
rìqū · HSK 7
day by day
📅📈 日 day + 趋 trend toward = day-by-day trending in one direction
日 means day or sun; 趋 means to tend or hasten toward. Together: changing little by little as each day passes. The 走 runner radical in 趋 signals motion or a steady drift toward something.
日 — pictograph of the sun
日 is a pictograph of the sun, originally drawn as a circle with a dot or stroke inside representing the sun's substance. Over time the round shape was squared off into the modern rectangular form. It means 'sun' and by extension 'day'.