• 稼かせぎ — earnings; what you make
• 稼かせぐ — to earn; to make money
• 稼業かぎょう — one's business; trade
• 出稼でかせぎ — working away from home
• 稼動かどう — operation; running (of a machine or system)

The grain radical links this kanji to harvest and results. The idea shifted from planting and reaping crops to working hard and earning an income through effort.