Where does “rotera i sin grav” come from?

rotera i sin grav (Swedish) comes from Swedish grav, from Swedish kapell, from Old Swedish cappell, from Medieval Latin cappella, from Latin cāppa, from Latin caput, from Proto-Italic kaput, from Proto-Indo-European káput — to seize, hold.

Ancestry of “rotera i sin grav”, step by step

rotera i sin grav traces back through 3 separate lines of ancestry.

via Swedish grav

StepLanguageWordMeaning
1Swedishgravsevere, as in a mistake or a congenital disorder;...
2Swedishkapella chapel
3Old Swedishcappell
4Medieval Latincappella
5Latincāppacape, cloak
6Latincaputhead; headlike protuberance on an organ or body...
7Proto-Italickaputhead
8Proto-Indo-Europeankáputhead
9Proto-Indo-Europeankap-to seize, hold

via Swedish sin

StepLanguageWordMeaning
1SwedishsinDryness, the state of having run dry
2Old SwedishsīnReflexive possessive third person determiner. his (own), her (own), its (own), their (own)
3Middle Low Germansînof his
4Old Saxon*sinn
5Proto-West Germanicsinnsense, perception; sense, meaning; reason, mental...
6Proto-Germanicsinnazsense, perception; sense, meaning
7Proto-Indo-Europeansentnós
8Proto-Indo-Europeansent-to head for, to go, to travel; to feel
9Proto-Indo-Europeanh₁es-to be

via Swedish i

StepLanguageWordMeaning
1Swedishiused to signify that an action is done with...
2Swedishhopheap, collection; a whole bunch
3Old Norsehóprheap; group
4Middle Low Germanhōp
5Old Saxonhōp
6Proto-West Germanichaupheap, pile
7Proto-Germanichaupaza heap, pile; a crowd, throng
8Proto-Indo-Europeankouposhill
Every word from Proto-Indo-European kap-Every word from Proto-Indo-European káputEvery word from Proto-Italic kaput