谷糠

谷糠	gǔ kāng	grain chaff
谷	gǔ	grain / corn
谷	Gǔ	surname Gu
谷	gǔ	valley
糠	kāng	variant of 糠
糠	kāng	old variant of 糠
糠	kāng	husk / (of a radish etc) spongy (and therefore unappetising)