烟土

raw opium

cigarette or pipe tobacco / CL:根[gen1] / smoke / mist / vapour / CL:縷|缕[lü3] / tobacco plant / (of the eyes) to be irritated by smoke

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]