productive labor, n.All

Productive labor (n.) includes, ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠on Smith's account, the farmer's labouring cattle alongside his labouring servants — a charming compliment for the servants.