穢 - dirty

this impure world (as opposed to the pure land)

eta; group comprising the lowest rank of Japan's Edo-period caste system and whose work usually involved handling human bodies or animal carcasses

abhorrence of (living in) this impure world

person who gathers night soil

ugly and filthy

uncleanliness from contact with death, pregnancy, menstruation, etc.

various impurities (illness, menstruation, death, etc.)

night soil

pure; clean; untouched; innocent