| 1 | Russian | сток | flow, flowing, drainage; drain, gutter, sewer |
| 2 | Russian | стечь | to flow down, to streak down, to trickle down, to... |
| 3 | Russian | с- | down; off, from off |
| 4 | Proto-Slavic | sъ(n) | with, accompanying, alongside; with, by means of,... |
| 5 | Proto-Indo-European | ḱóm | beside, near, by, with |
| 6 | Proto-Indo-European | ḱe | Deictic particle, here; Post-positional... |
| 7 | Middle English | kyt | — |
| 8 | German | kitt | — |
| 9 | Old High German | kuti | — |
| 10 | Proto-West Germanic | kwidu | gum, resin |
| 11 | Proto-Germanic | kweduz | resin |
| 12 | Proto-Indo-European | gʷet- | resin, gum; to say, speak |
| 13 | Proto-Indo-European | gū- | to bend; curve; arch; vault; to bow, bend, arch,... |