English word vicious comes from Proto-Indo-European *wi-tio-, Portuguese -oso (-ous, -y.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *wi-tio- | Proto-Indo-European (ine) | |
| -oso | Portuguese (pt) | -ous, -y. |
| vitium | Latin (lat) | Crime. Fault, defect, blemish, error. Vice. |
| viço | Portuguese (pt) | (dated) vice. Luxuriance, lushness. Vigour, flushness. |
| vitiosus | Latin (lat) | Full of faults or defects; faulty, defective, bad, corrupt. Morally faulty, wicked, depraved, vicious. |
| vicious | Old French (fro) | Defective; not capable of functioning. Vicious; malicious. |
| vicious | Anglo-Norman (xno) | |
| vicious | English (en) | (archaic) Pertaining to vice; characterised by immorality or depravity.. Savage and aggressive.. Violent, destructive and cruel. |