rearward
adjective
[ ˈrɪəwəd ]
• directed towards the back.
• "a slight rearward movement"
rearward
adverb
• towards the back.
• "the engine nozzles point rearward"
rearward
noun
• the part or position at the back of something.
• "it would occupy its position in the advance, not in the rearward of the times"
Origin:
Middle English (as a noun denoting the rear part of an army): from Anglo-Norman French rerewarde ‘rearguard’; the adjective dates from the early 17th century and is from rear1 + -ward.