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Etymology data from Wiktionary via Wiktextract (CC BY-SA 4.0). Chinese character data from the 說文解字, the Taiwan MOE 國語辭典簡編本 (CC BY-ND 3.0 TW) and HSK/TOCFL lists.

Explanations are written by a local model (gemma4) and only published after a verification pass against the cited sources. How it works.

Chinese

日新月異

/ɻ̩⁵¹ ɕin⁵⁵ ɥɛ⁵¹⁻⁵³ i⁵¹/
advancing rapidly (especially in an innovative way); everchanging
  • 日新月异
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Origin

The phrase is composed of four characters: 日 (sun), 新 (new; fresh), 月 (moon), and 異 (different; other).

The character 新 is formed with the semantic component 斤 (a traditional unit of weight) and the phonetic component 辛 (spicy; hot; pungent). The character 異 consists of the components 田 (farmland) and 共 (common). The component 共 is itself formed from 廾 (both hands) and 口 (mouth).

In the context of the phrase, these elements combine to describe a state of constant, rapid change.

Confidence: high · written by gemma4:26b, checked statement-by-statement against the sources below.

日新月異是由「日」、「新」、「月」、「異」這四個漢字組成。其中，「新」字包含表示「新；新鮮」的語義成分「斤」（傳統重量單位，等於 0.5 公斤），以及表示讀音的成分「辛」（辛辣、燙）。

「異」字則由「田」（田地）與「共」（共同）這兩個部分構成。「共」字進一步由「廾」（雙手）與「口」（嘴巴，特別指嘴唇與口腔內部）所組成。此成語用以描述事物正以創新的方式快速進步或不斷變化。

Confidence: high · written by gemma4:26b, checked statement-by-statement against the sources below.

Lineage

  • characterChinese日 “Sun”
  • characterChinese新 “new; fresh”
    • soundChinese辛 “spicy; hot; pungent”
    • meaningChinese斤 “catty or jin, a traditional unit of weight, equal to 0.5 kilograms”
  • characterChinese月 “moon (Classifier: 輪／轮 m)”
  • characterChinese異 “different; other”
    • componentChinese田 “farmland (Classifier: 塊／块 m c)”
    • componentChinese共 “common”
      • ideaChinese廾 “both hands”
      • ideaChinese口 “mouth, especially the lips and internal mouth cavity (Classifier: 把 c)”
Wiktionary etymology text

No etymology text yet. The graph shows what is known from the sources.

Meanings

phrase
  1. advancing rapidly (especially in an innovative way); everchanging

國語辭典 definitions

  1. 每天每月都有新的改變。形容發展、進步得很快。 例：電腦科技日新月異，各種軟硬體設施的發展使資訊處理更加快捷。

© Ministry of Education, Taiwan — CC BY-ND 3.0 TW, shown unaltered.

Sources

  • etymagent (local gemma4:26b) — Generated
  • 教育部《國語辭典簡編本》 (Taiwan MOE) — CC BY-ND 3.0 TW
  • Written form — n/a
  • Wiktionary (via Wiktextract / kaikki.org) — CC BY-SA 4.0