'Doth' in the Bible

They shall perish; but thou continuest: And they all shall wax old as doth a garment;

For verily not to angels doth he give help, but he giveth help to the seed of Abraham.

For a testament is of force where there hath been death: for it doth never avail while he that made it liveth.

Therefore let us also, seeing we are compassed about with so great a cloud of witnesses, lay aside every weight, and the sin which doth so easily beset us, and let us run with patience the race that is set before us,