forweep

verb1

1. •
   (no longer used) To exhaust (oneself) with weeping; weep excessively; (of a vine) to bleed excessively.

   • Till at the last an aged knight, / Which seem'd a man in greate thought, / Like as he set all thing at nought, / With visage and eyes all forwept, / And pale, as a man long unslept, […] — 1870