| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| Indo-Iranian |
| Sanskrit | drākṣā | Grape | TBD | IEW UKY GPT |
| MISSING |
| Gallo-Romance | *dragenos | Thorn | TBD | IEW UKY GPT |
| New Bretonic | dréan | Thorn bush | TBD | IEW UKY GPT |
| Swiss | tierli | Cornelian cherry | TBD | IEW UKY GPT |
| Kaschubian | dřòn | Thorns | TBD | IEW UKY GPT |
| Cypriot | τὰ τέρχνιjα | young shrubbery | TBD | IEW UKY GPT |
| Celtic |
| Old Irish | draigen | Blackthorn | TBD | IEW UKY GPT |
| Welsh | draen | Thorn bush | TBD | IEW UKY GPT |
| West Germanic |
| Old High German | tirn-pauma | forest heart | TBD | IEW UKY GPT |
| Old High German | tyrn | cornus | TBD | IEW UKY GPT |
| Old High German | dirnbaum | cornus | TBD | IEW UKY GPT |
| New High German | di(e)rle, dirnlein | Cornelian cherry | TBD | IEW UKY GPT |
| Balto-Slavic |
| Lithuanian | drìgnės | black henbane | TBD | IEW UKY GPT |
| Latvian | driǵenes | black henbane | TBD | IEW UKY GPT |
| Russian | déren, derén | Dogwood, Cornelian cherry | TBD | IEW UKY GPT |
| Serbo-Croatian | drȉjen | Dogwood, Cornelian cherry | TBD | IEW UKY GPT |
| Czech | dřín | Dogwood, Cornelian cherry | TBD | IEW UKY GPT |
| Polish | drzon | Barberry | TBD | IEW UKY GPT |
| Polabian | dren | Thorn | TBD | IEW UKY GPT |
| Hellenic |
| Greek | τρέχνος | young shrubbery | TBD | IEW UKY GPT |
| Greek | τέρχνος | young shrubbery | TBD | IEW UKY GPT |