hind 1 
(hīnd) also hind·er (hīndər)
(hīnd) also hind·er (hīndər)adj.
Located at or forming the back or rear; posterior: an animal's hind legs; the hinder part of a steer.
[Middle English hinde, short for bihinde, behind, from Old English bihindan; see ko- in the Appendix of Indo-European roots.]