Where does “pikiintyä” come from?

pikiintyä (Finnish) comes from Finnish piki, from Old Swedish bik, from Middle Low German pik, from Old Saxon pik, from Proto-West Germanic *pik, from Latin pix, from Proto-Indo-European pik-, from Proto-Indo-European pi- — sap, juice.

Ancestry of “pikiintyä”, step by step

StepLanguageWordMeaning
1Finnishpikipitch
2Old Swedishbik—
3Middle Low Germanpik—
4Old Saxonpik—
5Proto-West Germanic*pik—
6Latinpixpitch, tar
7Proto-Indo-Europeanpik-to be angry; pitch; resin
8Proto-Indo-Europeanpi-sap, juice
Every word from Proto-Indo-European pi- →Every word from Proto-Indo-European pik- →Every word from Latin pix →