Where does “aigua//aiga” come from?

aigua//aiga (Old Occitan) comes from Latin aqua, from Proto-Italic akʷā, from Proto-Indo-European h₂ekʷeh₂ — water, flowing water.

Ancestry of “aigua//aiga”, step by step

StepLanguageWordMeaning
1Latinaquawater
2Proto-Italicakʷāwater
3Proto-Indo-Europeanh₂ekʷeh₂water, flowing water

Words derived from “aigua//aiga”

Every word from Proto-Indo-European h₂ekʷeh₂ →Every word from Proto-Italic akʷā →Every word from Latin aqua →