The story
- Ancient Greek · derived from*φρένησις
- Latin · derived fromphrenesis
- Old French · derived fromfrenesie
- Middle English · inherited fromfrensy
- English todayfrenzy
From Middle English frensy, frenesie, from Old French frenesie, from Latin phrenesis, from Ancient Greek *φρένησις (*phrénēsis), a later equivalent of φρενῖτις (phrenîtis, “inflammation of the brain”): see frantic and frenetic. Doublet of phrenesis.
Words from the same roots
Latinphrenesis all →
phrenesis
Ancient Greek*φρένησις all →
phrenesis
Etymology from Wiktionary, CC BY-SA 4.0.