productive
adjective
[ prəˈdʌktɪv ]
• producing or able to produce large amounts of goods, crops, or other commodities.
• "the most productive employees"
• (of a cough) that raises mucus from the respiratory tract.
Origin:
early 17th century: from French productif, -ive or late Latin productivus, from product- ‘brought forth’, from the verb producere (see produce).