车厢
chē xiāng · HSK 7
carriage
🚃 车厢 = vehicle + compartment — a boxed-in section of a vehicle
车 (chē) means vehicle or car. 厢 (xiāng) means compartment or box. Together they literally describe a boxed compartment on wheels — a train carriage or railroad car.
车 — pictograph of a chariot/cart
车 is a pictograph originally drawn as a top-down view of a chariot, showing the axle, wheels, and carriage box. The ancient form 車 clearly depicted two wheels connected by an axle. It still means vehicle, cart, or car today.