overtoil

verb

1. (transitive)To weary (someone or something) excessively; to exhaust or tire out by working too much.

   “Then dozed awhile herself, but overtoil'd / By that day's grief and travel, evermore / Seem'd catching at a rootless thorn, and then / Went slipping down horrible precipices, / And strongly striking out her limbs awoke; […]”