"divided, split," Old English clofen, past-participle adjective from cleave (v.1). Sometimes shortened to clove, hence clove-hitch (1769), etc. Cloven hoof, characteristic of ruminant quadrupeds (and ascribed in mythology to Pan and the Devil) is from c. 1200.
1809, hyke "to walk vigorously," an English dialectal word of unknown origin. A yike from 1736 answers to the sense. Not in widespread popular use until early 20c.
HIKE, v. to go away. It is generally used in a contemptuous sense. Ex. "Come, hike," i.e. take yourself off; begone. [Rev. Robert Forby, "The Vocabulary of East Anglia," London, 1830]
Sense of "pull up" (as pants) first recorded 1873 in American English, and may be a variant of hitch; extended sense of "raise" (as wages) is 1867. Related: Hiked; hiking.
The meaning "to encircle with the hand(s)" is from 1781; in the sense of "to form an arch over (something)" it is first recorded 1630s. Related: Spanned; spanning.