This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. designed to replace or conserve human and especially manual labor

"Over the past 150 years or so, women have welcomed new laboursaving gadgets and cooking equipment, from the mid-19th century apple-paring machine to the nonstick fry pan."

helpful   

laborsaving    labouring