おもちゃ
おもちゃ · omocha · JLPT N4 · noun
plaything
🧸 o-mocha: Oh, mocha! is not a toy, so hand the kid an omocha instead
Etymology: omocha comes from o + mochi-asobi, a thing you hold and play with (motsu = to hold, asobi = play). Mochi-asobi got clipped to mocha, and the polite o- stuck on the front for good.