Probably related to hulvahtaa, hulvaton. In dialects also with a short -p- (hulpea). SSA considers it akin to hulpakko (“talkative”), which it calls sound-symbolic.[1]
hulppea (comparative hulppeampi, superlative hulppein)
| Inflection of hulppea (Kotus type 15/korkea, no gradation) | |||
|---|---|---|---|
| nominative | hulppea | hulppeat | |
| genitive | hulppean | hulppeiden hulppeitten | |
| partitive | hulppeaa hulppeata |
hulppeita | |
| illative | hulppeaan | hulppeisiin hulppeihin | |
| singular | plural | ||
| nominative | hulppea | hulppeat | |
| accusative | nom. | hulppea | hulppeat |
| gen. | hulppean | ||
| genitive | hulppean | hulppeiden hulppeitten hulppeain rare | |
| partitive | hulppeaa hulppeata |
hulppeita | |
| inessive | hulppeassa | hulppeissa | |
| elative | hulppeasta | hulppeista | |
| illative | hulppeaan | hulppeisiin hulppeihin | |
| adessive | hulppealla | hulppeilla | |
| ablative | hulppealta | hulppeilta | |
| allative | hulppealle | hulppeille | |
| essive | hulppeana | hulppeina | |
| translative | hulppeaksi | hulppeiksi | |
| abessive | hulppeatta | hulppeitta | |
| instructive | — | hulppein | |
| comitative | — | hulppeine | |