From -ja + -in. Akin to Finnish -iainen.
-iain (front vowel variant -iäin)
| Declension of -iain (type 1/kärpäin, no gradation) | ||
|---|---|---|
| singular | plural | |
| nominative | -iain | -iaiset |
| genitive | -iaisen | -iaisiin |
| partitive | -iaista, -iaist | -iaisia |
| illative | -iaisee | -iaisii |
| inessive | -iaisees | -iaisiis |
| elative | -iaisest | -iaisist |
| allative | -iaiselle | -iaisille |
| adessive | -iaiseel | -iaisiil |
| ablative | -iaiselt | -iaisilt |
| translative | -iaiseks | -iaisiks |
| essive | -iaisenna, -iaiseen | -iaisinna, -iaisiin |
| exessive1) | -iaisent | -iaisint |
| 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. | ||