Where does “Alisson” come from?

Alisson (English) comes from English Alison, from Middle English Alisoun, from Old French Alison, from Old French Aliz, from Proto-Basque -ali, from Old High German sazzo, from Proto-Germanic *sittjan, from Proto-Germanic sitjaną — to sit.

Ancestry of “Alisson”, step by step

StepLanguageWordMeaning
1EnglishAlison—
2Middle EnglishAlisoun—
3Old FrenchAlison—
4Old FrenchAliz—
5Proto-Basque-ali—
6Old High Germansazzo—
7Proto-Germanic*sittjan—
8Proto-Germanicsitjanąto sit
9Proto-Indo-Europeansḗd-to sit
Every word from Proto-Indo-European sḗd- →Every word from Proto-Germanic sitjaną →Every word from Proto-Germanic *sittjan →