Emily Dickinson Lexicon

PRO-LEP'TIC, or PRO-LEP'TIC-AL, a.

1. Pertaining to prolepsis or anticipation.
2. Previous; antecedent. – Glanville.
3. In medicine, anticipating the usual time; applied to a periodical disease, whose paroxysm returns at an earlier hour at every repetition. – Encyc.