Where does “kirjeensulkijamerkki” come from?

kirjeensulkijamerkki (Finnish) comes from Finnish sulkija, from Finnish jä, from Proto-Finno-Ugric *ja, from Proto-Germanic jahw, from Proto-Germanic -hw, from Proto-Germanic -hwe, from Proto-Indo-European -kʷe — and; Forms distributives from interrogatives.

Ancestry of “kirjeensulkijamerkki”, step by step

kirjeensulkijamerkki traces back through 3 separate lines of ancestry.

via Finnish sulkija

StepLanguageWordMeaning
1Finnishsulkijacloser, shutter
2Finnishjäice
3Proto-Finno-Ugric*ja—
4Proto-Germanicjahwand, also
5Proto-Germanic-hwand; Forms distributives from interrogatives
6Proto-Germanic-hwe—
7Proto-Indo-European-kʷeand; Forms distributives from interrogatives

via Finnish merkki

StepLanguageWordMeaning
1Finnishmerkkimark, sign; character; symbol
2Old Swedishmærki—
3Old Norsemerkiboundary
4Proto-Germanicmarkōborder, boundary; region, area
5Proto-Indo-Europeanmorǵ-edge, boundary, border; frontier, border

via Finnish kirje

StepLanguageWordMeaning
1Finnishkirjeletter
2Finnishkirjabook; quire
3Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Indo-European -kʷe →Every word from Proto-Germanic -hw →Every word from Proto-Germanic jahw →