Where does “Angvilo” come from?

Angvilo (Esperanto) comes from English anguilla, from Latin anguilla, from Proto-Italic *anɣʷis, from Proto-Indo-European h₂éngʷʰis — snake.

Ancestry of “Angvilo”, step by step

StepLanguageWordMeaning
1Englishanguilla—
2Latinanguillaeel; small snake; vocative singular of anguilla
3Proto-Italic*anɣʷissnake
4Proto-Indo-Europeanh₂éngʷʰissnake
Every word from Proto-Indo-European h₂éngʷʰis →Every word from Proto-Italic *anɣʷis →Every word from Latin anguilla →