Probably from dialectal huikka (“tapering, tapered”), since bottles have a tapered shape.[1] That word in turn is related to hui, huippu. May also be influenced by hiukka.
huikka (informal)
| Inflection of huikka (Kotus type 10*A/koira, kk-k gradation) | |||
|---|---|---|---|
| nominative | huikka | huikat | |
| genitive | huikan | huikkien | |
| partitive | huikkaa | huikkia | |
| illative | huikkaan | huikkiin | |
| singular | plural | ||
| nominative | huikka | huikat | |
| accusative | nom. | huikka | huikat |
| gen. | huikan | ||
| genitive | huikan | huikkien huikkain rare | |
| partitive | huikkaa | huikkia | |
| inessive | huikassa | huikissa | |
| elative | huikasta | huikista | |
| illative | huikkaan | huikkiin | |
| adessive | huikalla | huikilla | |
| ablative | huikalta | huikilta | |
| allative | huikalle | huikille | |
| essive | huikkana | huikkina | |
| translative | huikaksi | huikiksi | |
| abessive | huikatta | huikitta | |
| instructive | — | huikin | |
| comitative | See the possessive forms below. | ||