misgo

To go wrong, make a mistake, go astray, become lost, miscarry.

Brother Samson, in the time of the Antipopes, had been sent to Rome on business; and, returning successful, was too late,—the business had all misgone in the interim!

Let those pity her who can feel their own weakness and misgoing.

An error or mistake

[…] my hand came in contact with a lot of curly hair, and by the shriek which greeted my ear, I was conshus^([sic]) that I had made a misgo, and was clutchin a womans water-fall.

“Esquire! Lucky it didn't make a misgo of it, superscribed like that — Here — it's yourn!”

A miscarriage or abortion

And when the hemorrhage is checked they will often insist that they have had a "misgo" or abortion.