noun: 1. Any of various rodents of the genus Microtus and related genera.
2. The winning of all the tricks in some card games.
verb intr.: 3. To risk everything in the hope of great rewards. Typically used in the phrase "go the vole".
4. To try every possibility.
For 1: Short for volemouse, from Norwegian vollmus, from voll (field) + mus (mouse). Earliest documented use: 1805.
For 2-4: From French voler (to fly), from Latin volare (to fly), which also gave us volatile and volley. 1680.

VOLED - to have tried all posibilities and yet remain envolved.