5424  phren  frane

 probably from an obsolete 
phrao (to rein in or curb; 
compare 5420); 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):--
understanding.

 see GREEK for 5420