(in Scotland and northern English dialects) A day’s work, the task of a day; also, a defined quantity or amount of work, or of the product of work, done in a certain time or at a certain rate of payment; a task.
First attested in late Middle English; a syncopic form of daywork, developed through the series of forms: daywork → daywerk → daywark → dawark → *da’ark → dark → darg.