Japanese

Noun

三革 ‎(hiragana さんかく, romaji sankaku)

1. the three types of arms made out of leather: armor, helmet, and shield
2. in traditional Japanese cosmology, a general term for the three years that often accompanied change: kakumei, kakuun, and kakurei

See also

• 革命 (kakumei)
• 革令 (kakurei)
• 革運 (kakuun)
• 年号 (nengō)