Dutch word fel comes from Proto-Indo-European *plē-, Proto-Indo-European *pol-, and later Proto-Germanic *fellą (Skin, hide.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *plē- | Proto-Indo-European (ine-pro) | |
| *pol- | Proto-Indo-European (ine-pro) | |
| *pelnóm | Proto-Indo-European (ine-pro) | |
| *plóh₁-ison- | Proto-Germanic (gem-pro) | |
| *fellą | Proto-Germanic (gem-pro) | Skin, hide. |
| *fel | Frankish (frk) | Evil, cruel. |
| *fellô | Proto-Germanic (gem-pro) | |
| *felus | Vulgar Latin (la-vul) | |
| *fellō | Frankish (frk) | Evildoer. |
| fel | Old French (fro) | Evil. Vile; despicable. |
| fellō | Malayalam (mal) | |
| felon | Old French (fro) | Bastard; idiot (a general pejorative). Evil; bad; immoral Evildoer; wrongdoer. Immoral person. |
| fel | Old Dutch (odt) | |
| fel | Middle Dutch (dum) | Cruel, harsh. Dangerous. Evil. Terrible. |
| fel | Dutch (nld) | Fiercely Bright (e.g. sunlight). Fierce. |