φρήν

phrḗn

Entrailles, sentiments, esprit

the midrif (as a partition of the body), i.e. (figuratively and by implication, of sympathy) the feelings (or sensitive nature; by extension (also in the plural) the mind or cognitive faculties)

Étymologie. probably from an obsolete (to rein in or curb; compare G5420 (φράσσω));