Some kanji are made by repeating the same character three times to emphasize its meaning. This kanji combines three ‘car’ radicals to represent a loud roaring sound, like the rumble of many carriages driving together.
roar(轟)
move(動)
car(車)
“This kanji means ‘CAR’ or ‘WHEEL.’ The character symbolizes an ancient Japanese carrying machine with a single wheel. Right in the center, you can see a big tire!