Inherited from Proto-Slavic *sьde.
sde
| Type | kto | jen | jiný | onen | sen | ten | veš |
|---|---|---|---|---|---|---|---|
| Time | k(eh)dy | jedy | jindy | on(eh)dy | — | t(eh)dy | v(e)šdy |
| Place (through) | kudy | — | jinudy | onudy | sudy | tudy | všudy |
| Place (to) | kam(o) | jam(o) | jinam(o) | onam(o) | sěm(o) | tam(o) | všam(o) |
| Place (in) | kde | — | jinde | onde | sde | tu | všude |
| Way | kak(o) | jak(o) | jinak(o) | onak(o) | sic(e) | tak(o) | však(o) |
| Amount | kolik(o) | jelik(o) | — | — | — | tolik(o) | — |