Correct
根由
/ gēnyóu /
Strokes
Definition
the whys and the wherefores/the detailed story/root cause
Example
As a Noun
origin; cause; root
1
Gāo
高
fànzuìlǜ
犯罪率
de
的
gēn
根
yóu
由
shì
是
shīyè
失业
hé
和
pínkùn
贫困
。
The high crime rate has its roots in unemployment and poverty.
2
Wèntí
问题
de
的
gēnyóu
根由
root of a problem
3
Zhuīwèn
追问
gēn
根
yóu
由
probe into the cause of sth; make detailed enquiries about the cause of sth
4
Zhǎodào
找到
gēnyóu
根由
get to the root (of sth)