sawm: the third pillar of Islam is fasting (primarily during the month of Ramadan); Muslims abstain from food and drink and gambling and all sensuous pleasures from sunrise to sunset during Ramadan
principle: a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
calabar bean: dark brown highly poisonous seed of the calabar-bean vine; source of physostigmine and used in native witchcraft