>>25271809>>25271823Japanese word for Dragon is Ryu.
Dinosaur is Kyoryu, literally Terrifying Dragon. It comes from the English word, which is derived from Greek for Horrible Lizard.
By the way, similar goes for other things things a lot of people call dinosaurs. Pterosaur in Japanese is Yokuryu, Winged Dragon. Ichthyosaur in Japanese is Gyoryu, Fish Dragon. Plesiosaur is Kubinagaryu, Long Neck Dragon.