noun
the 64 hexagrams of the I Ching
Refers to the complete set of hexagrams in the I Ching (易経). Used in contexts of divination, Chinese philosophy, and classical studies. The reading ろくじゅうしけ is standard; ろくじゅうしか, ろくじゅうよんけ, and ろくじゅうよんか are less common variants.
See also: 易経
易経には六十四卦が収められている。
The I Ching contains the 64 hexagrams.
易経 is the classic text itself, while 六十四卦 refers specifically to the set of hexagrams within it.
From 六十四 (sixty-four) + 卦 (hexagram). The term is directly descriptive of the number of hexagrams in the I Ching.