Equivocal comes from Late Latin aequivocus, built with aequi- and voc-, the stem of vox. Its modern use describes something open to more than one interpretation or uncertain as a sign.
The literal components do not themselves specify a number of possible interpretations.
Sources
- Merriam-Webster: equivocal
The source is Late Latin aequivocus, from aequi- and voc-, vox, voice.
- Merriam-Webster: equi-
Aequi- derives from aequus, equal.
- Online Etymology Dictionary: equal
Also built on Latin *aequus* "equal": equivalent, equilibrium, equidistant
- Online Etymology Dictionary · equivocal
Meanings of the older forms on the word path.