三革 さんかく Meanings Noun armor, helmet and shield (armour) kakurei, kakuun and kakumei (first, fifth and fifty-eighth years of the sexagenary cycle; times of civil unrest according to Onmyōdō) See also: 陰陽道 (おんみょうどう). Kanji 三 three. Read as サン. 革 reform. Read as カク. Jinuma: Japanese Dictionary · Word lists