河 is built from the 氵 (water (left)) and 可 (can / approve) components.
It belongs to a phonetic family with 何, 歌, and 荷 — they share the 可 component and the reading カ.
A common word using 河 is 川; 河 (かわ), meaning “river”.
Don't confuse it with 荷 and 何.
