Where does “pikaleike” come from?

pikaleike (Finnish) comes from Finnish pika-, from Proto-Finnic pika, from Proto-Germanic fikaz.

Ancestry of “pikaleike”, step by step

StepLanguageWordMeaning
1Finnishpika-quick, fast, express, instant; summary
2Proto-Finnicpikaquick, speedy
3Proto-Germanicfikaz—
Every word from Proto-Germanic fikaz →Every word from Finnish pika- →Every word from Proto-Finnic pika →