涘

Its parts

• 氵 shuǐ form of 水: water meaning
• 矣 yǐ classical final particle, similar to… = 厶 + 矢 sound

Other characters with 矣 as their sound:

唉 ài埃 āi挨 ái俟 qí娭 āi

Dictionaries file it under 水.