Probably from *kostadak (“to turn back”) + *-udak.
Note: The Proto-Finnic conjugation system is yet to be reconstructed in detail. What is presented here is only one possibility. | ||||
present | past | imperative | optative | |
---|---|---|---|---|
1st sing. | *kostun | *kostuin | — | *kostugon |
2nd sing. | *kostut | *kostuit | *kostuk | *kostugos |
3rd sing. | *kostubi *kostu |
*kostui | *kostugasën | *kostugosën |
1st plur. | *kostukmëk *kostukmak |
*kostuimëk *kostuimak |
*kostugatëmëk *kostugatamak |
*kostugotëmëk *kostugotamak |
2nd plur. | *kostuktëk *kostuktak |
*kostuidëk *kostuidak |
*kostugatë *kostugata |
*kostugot'ëk *kostugotadak |
3rd plur. | *kostubat *kostu |
*kostui | *kostugasën | *kostugosën |
passive | *kostuksën *kostut'aksën |
*kostudisën *kostuttisën |
*kostudakahën *kostuttakahën |
*kostudakohën *kostuttakohën |
connegative | *kostuk | — | *kostugak | *kostugok |
passive connegative | *kostuktak | — | *kostudagak *kostuttagak |
*kostudagok *kostuttagok |
conditional 1 | conditional 2 | potential | ||
1st sing. | *kostukcin | *kostuicin | *kostunën | |
2nd sing. | *kostukcit | *kostuicit | *kostunët | |
3rd sing. | *kostukci | *kostuici | *kostuni | |
1st plur. | *kostukcimëk *kostukcimak |
*kostuicimëk *kostuicimak |
*kostunëmëk *kostunëmak | |
2nd plur. | *kostukcidëk *kostukcidak |
*kostuicidëk *kostuicidak |
*kostunëdëk *kostunëdak | |
3rd plur. | *kostukci | *kostuici | *kostuni | |
passive | *kostudakcihën *kostut'akcihën |
*kostudicihën *kostutticihën |
*kostudanëhën *kostuttanëhën | |
connegative | *kostukcik | *kostuicik | *kostunëk | |
passive connegative | *kostudakcik *kostut'akcik |
*kostudicik *kostutticik |
*kostudanëk *kostuttanëk | |
non-finite forms | infinitives/nouns | participles | ||
active | passive | |||
infinitive 1 | *kostudak | present | *kostuba | *kostudapa *kostuttapa |
infinitive 2 | *kostudë- | past | *kostunut | *kostudu *kostuttu |
gerund/supine | *kostuma | |||
action noun | *kostuminen |