Where does “patenttinahka” come from?

patenttinahka (Finnish) comes from Finnish patentti, from Swedish patent, from French patente, from Latin patēns, from Latin pateō, from Proto-Indo-European peth₂- — to spread out; to fly.

Ancestry of “patenttinahka”, step by step

patenttinahka traces back through two separate lines of ancestry.

via Finnish patentti

StepLanguageWordMeaning
1Finnishpatenttipatent
2Swedishpatentpatent
3Frenchpatentepatent
4Latinpatēnsbeing opening; open
5Latinpateōto be open, accessible, attainable
6Proto-Indo-Europeanpeth₂-to spread out; to fly

via Finnish nahka

StepLanguageWordMeaning
1Finnishnahkaleather; skin of an animal, colloquially also of...
2Proto-Finnicnahkaskin; leather
3Proto-Germanicnaskizskin
Every word from Proto-Indo-European peth₂-