From Proto-Finnic *jooksu, equivalent to joossa (“to run”) + -u. Cognates include Finnish juoksu and Estonian jooks.
jooksu
Declension of jooksu (type 4/koivu, no gradation) | ||
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singular | plural | |
nominative | jooksu | jooksut |
genitive | jooksun | jooksuin, jooksuloin |
partitive | jooksua | jooksuja, jooksuloja |
illative | jooksuu | jooksui, jooksuloihe |
inessive | jooksuus | jooksuis, jooksulois |
elative | jooksust | jooksuist, jooksuloist |
allative | jooksulle | jooksuille, jooksuloille |
adessive | jooksuul | jooksuil, jooksuloil |
ablative | jooksult | jooksuilt, jooksuloilt |
translative | jooksuks | jooksuiks, jooksuloiks |
essive | jooksunna, jooksuun | jooksuinna, jooksuloinna, jooksuin, jooksuloin |
exessive1) | jooksunt | jooksuint, jooksuloint |
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. |