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. | |||