Where does “primaariaineisto” come from?
primaariaineisto (Finnish) comes from Finnish primaari, from French primaire, from Latin prīmārius, from Latin prīmus, from Latin prīsmos, from Proto-Italic priisemos, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.
primaariaineisto (Finnish): primary sources
Ancestry of “primaariaineisto”, step by step