蓄水

蓄水	xù shuǐ	water storage
蓄	xù	to store up / to grow (e.g. a beard) / to entertain (ideas)
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