Where does “stämplare” come from?

stämplare (Swedish) comes 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 “stämplare”, step by step

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