eglantine

The story

1. Latin · derived fromaculentus
2. Old French · derived fromaiglent“sweetbrier”
3. Old French · derived fromaiglantin
4. Middle English · inherited fromeglentyn
5. French · borrowed froméglantine
6. English todayeglantine

From French églantine, Middle English eglentyn, from Old French aiglantin (adj.), from Old French aiglent (“sweetbrier”), from Latin aculentus (with the ending of spinulentus (“thorny, prickly”)), from aculeus (“prickle”), from acus (“needle”).