Aback A Behint, behind, or in the rear. “Aback, a behint, where the grey mare foaled the fiddler;” that is, I am told, threw him off in the dirt.
Source: Brockett John Trotter. A Glossary of North Country Words in use with Etymology and affinity to other languages and occasional Notices of Local Customs and Popular Superstitions. Printed Newcastle upon Tyne 1829.