From kyl (“sure”) + -ys. Akin to Finnish kyllyys and Estonian küllus.
kyllys (uncountable)
| Declension of kyllys (type 2/oikehus, no gradation) | ||
|---|---|---|
| singular | plural | |
| nominative | kyllys | — |
| genitive | kyllyen | — |
| partitive | kyllyttä | — |
| illative | kyllyee | — |
| inessive | kyllyees | — |
| elative | kyllyest | — |
| allative | kyllyelle | — |
| adessive | kyllyeel | — |
| ablative | kyllyelt | — |
| translative | kyllyeks | — |
| essive | kyllyennä, kyllyeen | — |
| exessive1) | kyllyent | — |
| 1) obsolete *) the accusative corresponds with either the genitive (sg) or nominative (pl) **) the comitative is formed by adding the suffix -ka? or -kä? to the genitive. | ||