Wiktionary
changeth
vb. (context archaic English) Third-person singular present simple form of '''change'''
Usage examples of "changeth".
Joy of this world for time will not abide, From day to night it changeth as the tide.
For Solomon saith, 'When the condition of man is pleasant and liking to God, he changeth the hearts of the man's adversaries, and constraineth them to beseech him of peace of grace.
But right as when the sunne shineth bright In March, that changeth oftentime his face, And that a cloud is put with wind to flight, Which overspreads the sun as for a space.