形而上學

The 形而上 (xíng'érshàng) part is from I Ching:

是故，形而上者謂之道，形而下者謂之器。 [Pre-Classical Chinese, trad.]

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是故，形而上者谓之道，形而下者谓之器。 [Pre-Classical Chinese, simp.]

From: I Ching, 11^th – 8^th century BCE, translated based on James Legge's version

Shìgù, xíng'érshàng zhě wèi zhī dào, xíng'érxià zhě wèi zhī qì. [Pinyin]

Hence that which is antecedent to the material form exists, we say, as an ideal method, and that which is subsequent to the material form exists, we say, as a definite thing.

形而上學

1. metaphysics (a branch of philosophy)
2. metaphysics (the world outlook and methodology opposed to dialectics)

   堅持唯物辯證法，反對形而上學。 [MSC, trad.]
   坚持唯物辩证法，反对形而上学。 [MSC, simp.]

   Jiānchí wéiwù biànzhèngfǎ, fǎnduì xíng'érshàngxué. [Pinyin]

   Adhere to dialectical materialism and oppose metaphysics.

3. (dated) social science

• (metaphysics): 形上 (xíngshàng), 玄學／玄学 (xuánxué)

• 形而下學／形而下学
• 辯證法／辩证法 (biànzhèngfǎ)

形(けい)而(じ)上(じょう)學(がく) • (keijijōgaku) 

1. Kyūjitai form of 形而上学 (“metaphysics”)

形而上學 • (hyeong'isanghak) (hangeul 형이상학)

1. Hanja form^? of 형이상학 (“metaphysics”).

形而上學

1. chữ Hán form of hình nhi thượng học (“metaphysics”).