Several states held at once, none collapsed into a single answer. Possibility kept open rather than resolved early.
Latin super (over, above) placed before positio (a placing), from ponere (to place); a physics term for states laid one over another rather than merged into one, later carrying possibilities held at once, none collapsed.
More than one possible answer held at the same time, with none of them forced to win before it must. The undecided state, kept deliberately undecided.