Proto-Finnic *runka + -o, the root probably borrowed from Proto-Germanic *skrunkaz (compare Icelandic skrokkur). Alternatively related to Erzya рунго (rungo, “torso, trunk”), in which case from Proto-Finno-Permic *ruŋka.
runko
| Inflection of runko (Kotus type 1*G/valo, nk-ng gradation) | |||
|---|---|---|---|
| nominative | runko | rungot | |
| genitive | rungon | runkojen | |
| partitive | runkoa | runkoja | |
| illative | runkoon | runkoihin | |
| singular | plural | ||
| nominative | runko | rungot | |
| accusative | nom. | runko | rungot |
| gen. | rungon | ||
| genitive | rungon | runkojen | |
| partitive | runkoa | runkoja | |
| inessive | rungossa | rungoissa | |
| elative | rungosta | rungoista | |
| illative | runkoon | runkoihin | |
| adessive | rungolla | rungoilla | |
| ablative | rungolta | rungoilta | |
| allative | rungolle | rungoille | |
| essive | runkona | runkoina | |
| translative | rungoksi | rungoiksi | |
| abessive | rungotta | rungoitta | |
| instructive | — | rungoin | |
| comitative | See the possessive forms below. | ||