Either kaivo + -nen, or (more likely) based on the region where the surname is found (Southwest Finland), from the same root as Kaiponen (with a regular regional sound change like *Kaipoi > *Kaivoi affecting the name).
Kaivonen
Inflection of Kaivonen (Kotus type 38/nainen, no gradation) | ||||
---|---|---|---|---|
nominative | Kaivonen | Kaivoset | ||
genitive | Kaivosen | Kaivosten Kaivosien | ||
partitive | Kaivosta | Kaivosia | ||
illative | Kaivoseen | Kaivosiin | ||
singular | plural | |||
nominative | Kaivonen | Kaivoset | ||
accusative | nom. | Kaivonen | Kaivoset | |
gen. | Kaivosen | |||
genitive | Kaivosen | Kaivosten Kaivosien | ||
partitive | Kaivosta | Kaivosia | ||
inessive | Kaivosessa | Kaivosissa | ||
elative | Kaivosesta | Kaivosista | ||
illative | Kaivoseen | Kaivosiin | ||
adessive | Kaivosella | Kaivosilla | ||
ablative | Kaivoselta | Kaivosilta | ||
allative | Kaivoselle | Kaivosille | ||
essive | Kaivosena | Kaivosina | ||
translative | Kaivoseksi | Kaivosiksi | ||
abessive | Kaivosetta | Kaivositta | ||
instructive | — | Kaivosin | ||
comitative | See the possessive forms below. |