Reconstruction:Proto-Finnic/ku

This Proto-Finnic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Finnic

Etymology

From Proto-Uralic *ku or Proto-Uralic *ko-. Finnish and Ingrian show a pattern of suffixing the nominative singular with *-ka (compare *mi and possibly *joka).

Pronoun

*ku

who, what (interrogative)

Inflection

Inflection of *ku

	singular	plural
Note: The Proto-Finnic declension system is yet to be reconstructed in detail. What is presented here is only one possibility.
nominative	*ku	*kut
accusative	*kun	*kut
genitive	*kun	kudën kuidën
partitive	*kuta	*kuita
inessive	kussa kuhna	kuissa kuihna
elative	*kusta	*kuista
illative	*kusën	*kuisën
adessive	*kulla	*kuilla
ablative	*kulta	*kuilta
allative	kulën kulëk	kuilën kuilëk
essive	*kuna	*kuina
translative	*kuksi	*kuiksi
instructive	*kun	*kuin
comitative	*kunëk	*kuinëk
abessive	*kutta	*kuitta

Derived terms

*kumpi

Descendants

⇒ Estonian: kui, kuid, kuidas, kuna, kunagi, kus, kuhu, kust, kuni
⇒ Finnish: kuka (nominative singular form, other forms archaic), kun, kuin, kuinka, kukin, kukaan, kulloin, kuten
Ingrian: ku, ⇒ kuka, kuin, kunis
Karelian:
- North Karelian: ku
- South Karelian: ku
Livonian: ku, ⇒ kus
⇒ Veps: kuna, kunasai, kuhusai, kus, kuspäi, kut, kuti
⇒ Võro: kua, kuas
⇒ Votic: ku, kuall, kualtõ, kuhan, kuhõõ, kui, kuile, kuimõnd, kuini, kuippäi, kuika, kuhõz (Kattila), kuibõ (Kattila)