From Proto-Finnic *surku, borrowed from Proto-Germanic *surgō (compare English sorrow, Swedish sorg).
surku
Only forms with the strong grade (surku-) are normally used, particularly the nominative and partitive singular.
| Inflection of surku (Kotus type 1*D/valo, k-∅ gradation) | |||
|---|---|---|---|
| nominative | surku | surut | |
| genitive | surun | surkujen | |
| partitive | surkua | surkuja | |
| illative | surkuun | surkuihin | |
| singular | plural | ||
| nominative | surku | surut | |
| accusative | nom. | surku | surut |
| gen. | surun | ||
| genitive | surun | surkujen | |
| partitive | surkua | surkuja | |
| inessive | surussa | suruissa | |
| elative | surusta | suruista | |
| illative | surkuun | surkuihin | |
| adessive | surulla | suruilla | |
| ablative | surulta | suruilta | |
| allative | surulle | suruille | |
| essive | surkuna | surkuina | |
| translative | suruksi | suruiksi | |
| abessive | surutta | suruitta | |
| instructive | — | suruin | |
| comitative | See the possessive forms below. | ||