phren
Phren is a classical Greek root, written φρήν in ancient texts. In English it appears primarily as a combining form in words related to the mind or to the diaphragm, rather than as a standalone modern term. The root has historically appeared in both medical terminology and in early philosophical or pseudo-scientific systems, such as phrenology.
Etymology and sense: The Greek word phrēn (φρήν) originally referred to the mind or intellect, and in
Modern usage: Today, phren itself is seldom used outside linguistic or etymological discussions. The most common
See also: Phrenic nerve, diaphragm, phrenology, phrēn (Greek root).