Meta:

  1. 于 is the 40th most frequent character.
  2. has 3 dictionary entries.
  3. appears as a character in 98 words.
  4. appears as a component in 14 characters.

Decomposition:

Once :
=> ,
Radical :
=> (dry), (hook)
Graphical :
=> , , ,

Pinyin & Meaning:

  1. Yu2 - surname Yu
  2. yu2 - in/at/to/from/by/than/out of
  3. wu1 - (literary) Oh!/Ah!

Pronunciation Clues:

  1. There are no phonetic clues for this character.

Example Words:

High Frequency

 ()
对于 (對於)
属于 (屬於)
于是 (於是)
终于 (終於)
关于 (關於)

Medium Frequency

不至于 (不至於)
以至于 (以至於)
低于 
来源于 (來源於)
出于 (出於)
利于 (利於)
勇于 (勇於)
善于 (善於)
在于 (在於)
基于 (基於)
大于 (大於)
急于 (急於)
敢于 (敢於)
有助于 (有助於)
乐于助人 (樂於助人)
源于 (源於)
由于 (由於)
相当于 (相當於)
等于 (等於)
至于 (至於)
莫过于 (莫過於)
处于 (處於)
过于 (過於)
鉴于 (鑒於)
高于 (高於)

Appears In:

also appears in:
Decomposition Levels:
Level 1: Only divided once. So only two components.
Level 2: Radical Decomposition. The character gets decomposed into its lowest radical components. For the complete list visit the Radical wikipedia page.
Level 3: Graphical Decomposition. Shows all the strokes & lowest level of components that make up the character.
If you see questions marks or too many "block" characters, especially when it comes to level 3 decomposition you might need the correct font.