Middle English word leek comes from Proto-Germanic *lēkijaz (Doctor, physician.), Old English *lǣċe, Old Norse lík, Proto-Indo-European *leug, Proto-Germanic *lekaz
| Dictionary entry | Language | Definition |
|---|---|---|
| *lēkijaz | Proto-Germanic (gem-pro) | Doctor, physician. |
| *lǣċe | Old English (ang) | |
| lík | Old Norse (non) | |
| *leug | Proto-Indo-European (ine-pro) | |
| *lekaz | Proto-Germanic (gem-pro) | |
| læce | Old English (ang) | Physician, doctor. |
| lǣċe | Old English (ang) | |
| *lauka | Proto-Germanic (gem-pro) | |
| *lec | Old English (ang) | |
| lēac | Old English (ang) | |
| leac | Old English (ang) | Leek. |
| lyche | Middle English (enm) | Like. |