洴 is a rare character that cannot be found in ordinary calligraphy books.
In fact, it is just (氵 + ER), just combine it together, and I still look up 氵 Similar words to 援.
Okay, look at the picture, it comes from the online calligraphy dictionary.
In addition, ?洏?ér is the name of ancient water. "Shuowen" is also. Luanshui is the Luanhe River in Zunhua Prefecture under present-day Zhili. ? Also, runny nose appearance.