The term 'vis-a-vis' was borrowed directly from French in the mid-18th century. In French, it is a prepositional phrase literally meaning "face to face," derived from Old French vis (face, from Latin visus, meaning "sight" or "appearance") and à (to) and vis again. The Latin root visus comes from the verb vidēre, "to see." The English adoption preserved the original French spelling and accent marks, shifting from a purely physical sense of facing someone to encompassing more abstract meanings of comparison, relationship, or opposition.

This is a loanword from French, adopted as a fixed phrase in English. It cannot be meaningfully segmented into productive English morphemes.