地震
dìzhèn · HSK 5
earthquake
🌍 地 = earth + 震 = shake; earth-shake = earthquake
地 (dì) means earth or ground; 震 (zhèn) means to shake or tremor. Together they literally spell out earth-shake. The pronunciation dìzhèn stacks the falling tones, mirroring the compound's bookend structure.
地 — earth 土 + 也 (phonetic)
地 is a semantic-phonetic compound. The left component 土 means 'earth' or 'soil' and gives the meaning, while 也 on the right hints at the pronunciation. Originally referring to the ground or land, it broadened to mean 'place,' 'region,' and 'territory.'
震 — rain radical 雨 + chen 辰 (phonetic)
A semantic-phonetic compound: 雨 'rain' gives the meaning (weather/sky phenomena), while 辰 supplies the sound. Originally referred to thunder and the shaking it causes, then extended to mean 'shake, quake, tremble' as in earthquakes (地震).