Where does “pikakirje” come from?

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

pikakirje (Finnish): express mail; express letter

Definitions

  1. express mail; express letter

Ancestry of “pikakirje”, 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 →