甲子 jiǎ zǐ

DEFINITIONS

  1. first year of the sixty-year cycle (where each year is numbered with one of the 10 heavenly stems 天干[tian1 gan1] and one of the 12 earthly branches 地支[di4 zhi1])
  2. the sixty-year cycle

CHARACTERS

甲 jiǎ armor, shell; fingernails; 1st heavenly stem
子 zǐ offspring, child; fruit, seed of; 1st terrestrial branch