于 is also the simplified spelling of 於.

于

Mandarin · pinyin yú#

Meanings · yú

  1. to go
  2. to take
  3. sentence-final interrogative particle
  4. variant of 於 yú
Mandarin · pinyin Yú#

Meanings · Yú

  1. surname Yu
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Characters in this entry

于
yú · in, on, at; go to; surname
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

2 · yu2

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1character link116same-tone records2source references
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Sentences in context

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Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Compare dictionary sources Wiktionary · 7 senses · 2 Cantonese readings

Rime Cantonese 粵拼

jyu1 · jyu4

Cantonese word readings for 于. This lexicon supplies readings, not definitions.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

character

  1. (literary) to go to
  2. (literary) at
  3. (literary) A meaningless particle.

character · Etymology 3

  1. a surname
  2. Used in several names and proper nouns.

character · Etymology 4

  1. (literary) alternative form of 迂 (yū, “large; vast; wide”)

character · Etymology 5

  1. (literary) alternative form of 吁 (interjection); used in 于嗟 (xūjiē) and 于咨

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack