Shortened from hevosenkenkäyökkö. The -r- is probably just to distinguish from hekko (influence from the name Herkko is possible). Coined by Nisäkäsnimistötoimikunta (Committee for Mammal Names) in 2008.
herkko
| Inflection of herkko (Kotus type 1*A/valo, kk-k gradation) | |||
|---|---|---|---|
| nominative | herkko | herkot | |
| genitive | herkon | herkkojen | |
| partitive | herkkoa | herkkoja | |
| illative | herkkoon | herkkoihin | |
| singular | plural | ||
| nominative | herkko | herkot | |
| accusative | nom. | herkko | herkot |
| gen. | herkon | ||
| genitive | herkon | herkkojen | |
| partitive | herkkoa | herkkoja | |
| inessive | herkossa | herkoissa | |
| elative | herkosta | herkoista | |
| illative | herkkoon | herkkoihin | |
| adessive | herkolla | herkoilla | |
| ablative | herkolta | herkoilta | |
| allative | herkolle | herkoille | |
| essive | herkkona | herkkoina | |
| translative | herkoksi | herkoiksi | |
| abessive | herkotta | herkoitta | |
| instructive | — | herkoin | |
| comitative | See the possessive forms below. | ||