must not; may not; not to be allowed; cannot
不 (bù) · 4 strokes
Pictograph of sepals of a flower. The modern meaning "no" is a phonetic loan.
得 (dé) · 11 strokes
Depicts a hand (寸) grabbing a shell (貝), used as currency in ancient China, to convey the meaning "get". Originally written as 㝵. The 彳 (movement) component was added later.