Correct

挖根

/ wā gēn / 
Strokes

Example

As a Verb

dig sth up by the roots; uproot

1
Cóng
从
zìjǐ
自己
sīxiǎng
思想
shàng
上
wā
挖
gēn
根

analyse one's ideological roots; get to the root of the problem

2
Zhìbìng
治病
wā
挖
gēn
根

cure a disease at its source