Where does “akwarystka” come from?

akwarystka (Polish) comes from Polish akwarysta, from Polish akwarium, from German Aquarium, from Latin aquārium, from Latin aqua, from Proto-Italic akʷā, from Proto-Indo-European h₂ekʷeh₂ — water, flowing water.

Ancestry of “akwarystka”, step by step

StepLanguageWordMeaning
1Polishakwarystaaquarist
2Polishakwariumaquarium
3GermanAquariumaquarium
4Latinaquārium—
5Latinaquawater
6Proto-Italicakʷāwater
7Proto-Indo-Europeanh₂ekʷeh₂water, flowing water
Every word from Proto-Indo-European h₂ekʷeh₂ →Every word from Proto-Italic akʷā →Every word from Latin aqua →