隠す
かくす · kakusu · JLPT N3 · verb-godan
to hide
🙈 隠 = hill 阝 + hand 爫 + heart 心: a hand tucks your heart behind a hill
The 阝 hill radical often marks screening or cover. Kakusu means you hide something else (transitive). Its partner 隠れる kakureru means to hide yourself, as in かくれんぼ kakurenbo, hide-and-seek.