Where does “Lasse” come from?

Lasse (Finnish) comes from Finnish lassi, from Finnish Lauri, from Latin Laurentius, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Lasse”, step by step

StepLanguageWordMeaning
1Finnishlassilassi beverage
2FinnishLauriLaurence
3LatinLaurentiusLaurence; Laurente
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yós →Every word from Latin -ius →Every word from Proto-Italic -jōs →