öönema

Etymology
From.

Verb

 * 1)  to observe the ritual prohibitions of so-called ‘fasting’: not to bathe in the river while bleeding, not to have sex, not to participate in community rituals and festivals, not to touch soap, not to eat certain meats, drink manioc beer, or smoke tobacco, but instead to eat and sleep alone and only eat the most ritually pure foods such as  worms and the  bird