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astronomy (n.)

13世纪 ,"天文学,占星术,对天体的科学或神秘学",来自古法语 astrenomie "天文学,占星术",来自拉丁文 astronomia ,来自希腊文 astronomia ,抽象名词 astronomos ,字面意思是"星规",来自 astron "星"(来自PIE根 *ster- (2)"星")+ nomos "安排,调节;规则,法律",来自PIE根 *nem- "分配,配给;采取"。也许最初是指绘制星座或行星的运动图。

Þer wes moni god clarc to lokien in þan leofte, to lokien i þan steorren nehʒe and feorren. þe craft is ihate Astronomie. [Layamon, "The Brut," 13 Century ]

在英语中, astronomyastrology 更早,最初包括现在分布在这两个词上的意义;到17世纪末,逐渐分化完成, astronomy 开始专指"天体的科学研究"。见 astrology

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Definitions of astronomy from WordNet

astronomy (n.)
the branch of physics that studies celestial bodies and the universe as a whole;
Synonyms: uranology
From wordnet.princeton.edu