Where does “aune” come from?

aune (Old French) comes from Latin alnus, from Proto-Italic alznos, from Proto-Indo-European h₂élsnos, from Proto-Indo-European h₂élis.

Ancestry of “aune”, step by step

StepLanguageWordMeaning
1LatinalnusAn alder; Anything made of alder wood; a ship,...
2Proto-Italicalznos—
3Proto-Indo-Europeanh₂élsnosalder
4Proto-Indo-Europeanh₂élis—
Every word from Proto-Indo-European h₂élis →Every word from Proto-Indo-European h₂élsnos →Every word from Proto-Italic alznos →