Overlabor
Pronunciation : O`ver*la"bor
Part of Speech : v.
Definition : 1. To cause to labor excessively; to overwork. Dryden.
2. To labor upon excessively; to refine unduly.
t. [imp. & p. p. Overlabored; p. pr. & vb. n. Overlaboring.]
Source : Webster's Unabridged Dictionary, 1913