Martial as in martial arts dates back the medieval latin word ‘martialis’ meaning ‘of Mars or war.’ Mars, of course is the Roman god of war.
Taekwondo is a Korean martial art. Taekwondo was developed during the 1870’s and has big kicks designed to knock people from their horses.
Sumo wrestlers are known as ‘Rikishi’ informally and in a formal way, they are referred to as Sumotoris
Judo is partly derived from Ju Jitsu which was the hand to hand fighting method used by the Samurai.