插
chā · HSK 5
stuff
🔌 sounds like 'cha' — chuck it in, plug it in
插 means to insert or plug in. The pinyin chā echoes the English 'chuck' — a quick shove into a slot. Use 插 for plugging cords, sticking flowers in a vase, or butting into a conversation (插话).
插 — hand radical 扌 + 臿 (pestle in mortar)
Originally a semantic-phonetic compound: 扌 (hand) gives the meaning of a manual action, while 臿 depicts a pestle being thrust into a mortar, supplying both sound and the sense of pushing in. The combined character came to mean 'to insert, stick in, or plant,' extending from the image of a hand driving something downward.