The building blocks of English

Affixes

noo-

The mind.

Greek noos, mind.

The noosphere is the name given by the Christian mystic Pierre Teilhard de Chardin (1881–1955) to a postulated stage of evolutionary development dominated by consciousness, the mind, and interpersonal relationships; its coming into being is noogenesis. The adjective nootropic refers to a drug used to enhance memory or other cognitive functions; noology is a semi-archaic word for the study of the mind.