- of
- A term denoting that from which anything proceeds; indicating origin, source, descent, and the like; as, he is of noble blood. Associated with or connected with, usually in some causal relation, efficient, material, formal, or final. The word has been held equivalent to after; at, or belonging to; in possession of; manufactured by; residing at; from
Black's law dictionary. HENRY CAMPBELL BLACK, M. A.. 1990.