Where does “sittpinkare” come from?

sittpinkare (Swedish) comes from Swedish pinkare, from Swedish -are, from Old Swedish -are, from Old Norse -ari, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “sittpinkare”, step by step

sittpinkare traces back through two separate lines of ancestry.

via Swedish pinkare

StepLanguageWordMeaning
1Swedishpinkarea peer (someone who pees)
2Swedish-areRegular construction of comparative: ful →...
3Old Swedish-area suffix used to create agent nouns from verbs; such as væriare, from væria
4Old Norse-aria suffix used to create agent nouns from verbs;...
5Latin-āriuser
6Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via Swedish sitta

StepLanguageWordMeaning
1Swedishsittato sit
2Old Swedishsitiato sit
3Old Norsesitjato sit
4Proto-Germanicsitjanąto sit
5Proto-Indo-Europeansḗd-to sit
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from Swedish -are