The word possibly originally meant "wasteful, diminishing, useless" (in which case, compare hupa for semantic shift), in which case it might be related to haaska and derived from haja-.
hauska (comparative hauskempi, superlative hauskin)
| Inflection of hauska (Kotus type 9/kala, no gradation) | |||
|---|---|---|---|
| nominative | hauska | hauskat | |
| genitive | hauskan | hauskojen | |
| partitive | hauskaa | hauskoja | |
| illative | hauskaan | hauskoihin | |
| singular | plural | ||
| nominative | hauska | hauskat | |
| accusative | nom. | hauska | hauskat |
| gen. | hauskan | ||
| genitive | hauskan | hauskojen hauskainrare | |
| partitive | hauskaa | hauskoja | |
| inessive | hauskassa | hauskoissa | |
| elative | hauskasta | hauskoista | |
| illative | hauskaan | hauskoihin | |
| adessive | hauskalla | hauskoilla | |
| ablative | hauskalta | hauskoilta | |
| allative | hauskalle | hauskoille | |
| essive | hauskana | hauskoina | |
| translative | hauskaksi | hauskoiksi | |
| abessive | hauskatta | hauskoitta | |
| instructive | — | hauskoin | |
| comitative | — | hauskoine | |