Where does “rinneauto” come from?

rinneauto (Finnish) comes from Finnish rinne, from Finnish -e, from Finnish hartia, from Serbo-Croatian hartija, from Greek χαρτί, from Koine Greek χαρτίον, from Ancient Greek χάρτης, from Ancient Greek χαράσσω — to yearn for; to enclose; bowels, intestines.

Ancestry of “rinneauto”, step by step

rinneauto traces back through two separate lines of ancestry.

via Finnish rinne

StepLanguageWordMeaning
1FinnishrinneA slope, hillside; A piste
2Finnish-eUsed for forming nouns from verbs or adjectives
3Finnishhartiashoulder
4Serbo-Croatianhartijapaper
5Greekχαρτίpaper
6Koine Greekχαρτίονpaper, papyrus
7Ancient Greekχάρτηςsheet of paper, paper; book
8Ancient Greekχαράσσωto sharpen; to engrave, carve, write, draw, stamp
9Proto-Indo-Europeanǵʰer-to yearn for; to enclose; bowels, intestines

via Finnish auto

StepLanguageWordMeaning
1Finnishautocar, automobile
2Finnishautomobiiliautomobile, car
3Frenchautomobileautomotive; automobile
4Frenchauto-auto- regarding oneself
5Ancient Greekαὐτο-self-
6Ancient Greekαὐτόςαὐτή f, αὐτό n; "first/second declension";...
7Proto-Indo-Europeanh₂ewaway from, off; again
8Proto-Indo-EuropeanǵʰePostpositional intensifying particle: indeed, at any rate, in fact
Every word from Proto-Indo-European ǵʰer-