hinder (v.) Look up hinder at Dictionary.com
O.E. hindrian "to harm, injure, impair," from P.Gmc. *khinderojanan, from a root meaning "on that side of, behind" (cf. hind (adj.)); thus the ground sense is "to put or keep back." Cognate of O.N. hindra, Du. hinderen, Ger. hindern "to keep back."
hinder (adj.) Look up hinder at Dictionary.com
"rear," O.E. hinder (adv.), possibly comparative of hind (adj.).