English word maniac comes from Ancient Greek μανία, and later French maniaque (Maniac (insane person) Maniacal.)
| Dictionary entry | Language | Definition |
|---|---|---|
| μανία | Ancient Greek (grc) | |
| μανιακός | Ancient Greek (grc) | |
| maniacus | Late Latin (LL) | |
| maniaque | French (fra) | Maniac (insane person) Maniacal. |
| maniac | English (eng) | A fanatic, a person with an obsession.. An insane person, especially one who suffers from a mania. |