水源

水源	shuǐ yuán	water source / water supply / headwaters of a river
水	Shuǐ	surname Shui
水	shuǐ	water / (after a name) ... River / to swim (used mostly in 会水 and 水性) / (coll.) lacking in substance; shoddy / (bound form) additional cost; extra income / classifier for washings of a garment
源	yuán	root / source / origin