Middle English word libbe comes from Proto-Indo-European *lew-, and later Proto-Germanic *lubją (Love potion. Poison. Wort, herb.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *lew- | Proto-Indo-European (ine-pro) | to cut, remove, prune, separate, to wash, to cut, to cut, separate, dissolve, to cut away, remove, prune |
| *leubh- | Proto-Indo-European (ine-pro) | to love, love |
| *lubją | Proto-Germanic (gem-pro) | Love potion. Poison. Wort, herb. |
| lybb | Old English (ang) | Charm. Drug, medicine. Poison. |
| libbe | Middle English (enm) |