卫星
wèixīng · HSK 5
satellite
🛰️ 卫 (guard) + 星 (star) = guarding star, i.e. satellite
卫 means guard or defend; 星 means star. A 卫星 is a guarding star — a body that orbits and accompanies a larger one. Originally meant a natural moon; now also covers man-made satellites and figuratively an acolyte.