ninjatoEtymologyFrom Japanese 忍者刀 (ninjatō), in turn a compound of 忍者 (ninja) + 刀 (tō, “sword, knife”).ninjato means A straight-bladed short sword, commonly appearing in works of fiction as a weapon of the shinobi in feudal Japan. Lexicurio rates it Rare gem — a strength score of 81 out of 100.nounA straight-bladed short sword, commonly appearing in works of fiction as a weapon of the shinobi in feudal Japan.“His fingers relaxed around the hilt of the ninja-to, and the sword dropped to the ground. So did he, a moment later.”