Etymology

ninjato

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Today it means: A straight-bladed short sword, commonly appearing in works of fiction as a weapon of the shinobi in feudal Japan. Full definition →

Japanese 忍者刀
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The story

  1. Japanese · borrowed from忍者刀
  2. English todayninjato

From Japanese 忍者刀 (ninjatō), in turn a compound of 忍者 (ninja) + 刀 (tō, “sword, knife”).

Etymology from Wiktionary, CC BY-SA 4.0.