φρήν
phrḗn
“diaphragm, midriff, mind”
5 words in English grow from this root.
Euphrosyne
Mythεὖeû
“well-minded, gladness”
Phrenic
Medicineφρήνphrḗn
“of the midriff”
Phronesis
Philosophyφρόνησιςphrónēsis
“the working of the mind”
Schizophrenia
Mindσχίζεινskhízein
“split mind”
Sophronius
Everydayσῶςsôs
“sound of mind”