| 1 | Russian | Калинингра́д | — |
| 2 | Russian | град | hail; volley, shower; town, city, used as a... |
| 3 | Old Church Slavonic | градъ | fortification, castle; city, town; hail |
| 4 | Proto-Slavic | gȏrdъ | fortified settlement |
| 5 | Proto-Balto-Slavic | gardas | enclosure |
| 6 | Proto-Indo-European | gʰerdʰ- | to enclose, to encircle; enclosure, fence, belt |