Where does “helmikirjailu” come from?

helmikirjailu (Finnish) comes from Finnish helmi, from Finnish Vilhelmiina, from German Wilhelmina, from German Wilhelm, from Old High German Willahelm, from Old High German helm, from Proto-West Germanic helm, from Proto-Germanic helmaz — to pierce, strike; to stick; prick; stab.

Ancestry of “helmikirjailu”, step by step

helmikirjailu traces back through two separate lines of ancestry.

via Finnish helmi

StepLanguageWordMeaning
1Finnishhelmipearl; bead; gem
2FinnishVilhelmiina—
3GermanWilhelmina—
4GermanWilhelmWilliam
5Old High GermanWillahelmWilliam
6Old High Germanhelmhelmet
7Proto-West Germanichelmhelmet
8Proto-Germanichelmazhelmet
9Proto-Germanichalmazhalm; stem; stalk; straw; hay
10Proto-Indo-Europeanḱolh₂mosstalk
11Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via Finnish kirjailu

StepLanguageWordMeaning
1Finnishkirjailuwriting a book
2Finnishkirjaillato embroider; to write a book or books
3Finnishkirjatato book, log, register; to register
4Finnishkirjabook; quire
5Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Indo-European ḱelh₂- →Every word from Proto-Indo-European ḱolh₂mos →Every word from Proto-Germanic halmaz →