labour-saving device/gadget/equipment etc• Used many times every day, it is the most time and labour-saving device ever invented for cooks.• In all, a labour-saving device for those with very large gardens.• After the luxury of labour-saving devices it is just too tedious to go back to the old ways.• If you can afford it, buy some labour-saving devices, like a washingmachine.
From Longman Business Dictionary
labour-savingˈlabour-ˌsavingBritish EnglishBrE, labor-savingAmerican EnglishAmEadjectiveadj [only before a noun]