'Root' in the Bible

I -- I have seen the perverse taking root, And I mark his habitation straightway,

If its root becometh old in the earth, And its stem doth die in the dust,

But ye say, 'Why do we pursue after him?' And the root of the matter hath been found in me.

Against the flint he sent forth his hand, He overturned from the root mountains.

My root is open unto the waters, And dew doth lodge on my branch.

For a fire it is, to destruction it consumeth, And among all mine increase doth take root,