Dutch word smeren comes from Proto-Indo-European *smérus (Grease.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *smérus | Proto-Indo-European (ine-pro) | Grease. |
| *smerwą | Proto-Germanic (gem-pro) | Grease; butter; fat. |
| *smirwijaną | Proto-Germanic (gem-pro) | To smear, anoint. |
| *smirwen | Old Dutch (odt) | |
| smeren | Middle Dutch (dum) | |
| smeren | Dutch (nld) | (transitive) to corrupt, pay off. (transitive) to grease, oil etc. (to make run more smoothly). (transitive) to smear, to rub a substance. (transitive, by extension, of bread-like foods) to make, to butter. |