Where does “fälla upp” come from?

fälla upp (Swedish) comes from Swedish fälla, from Old Swedish fælla, from Old Norse fella, from Proto-Germanic fallijaną, from Proto-Germanic fallaną, from Proto-Indo-European pōl-, from Slovincian pól, from Proto-Slavic polъ — to split off, separate; to chop, to separate.

fälla upp (Swedish): to unfold (something more or less rigid, so as to bring it into a less compact (and often "activated") state)

Definitions

  1. to unfold (something more or less rigid, so as to bring it into a less compact (and often "activated") state)

Ancestry of “fälla upp”, step by step

fälla upp traces back through two separate lines of ancestry.

via Swedish fälla

StepLanguageWordMeaning
1Swedishfällatrap; to fell; to make something fall; to fell;...
2Old Swedishfællato fell, cause to fall; to neglect; to prevent
3Old Norsefella
4Proto-Germanicfallijanąto cause to fall, to fell
5Proto-Germanicfallanąto fall
6Proto-Indo-Europeanpōl-
7Slovincianpólhalf
8Proto-Slavicpolъside, flank; half; member of a pair of options →...
9Proto-Indo-European(s)pelH-to split off, separate; to chop, to separate

via Swedish upp

StepLanguageWordMeaning
1Swedishuppup
2Swedishlöpato run along, stretch; to run, to move quickly...
3Old Swedishløpato run
4Old Norsehlaupato leap, jump, spring
5Proto-Germanichlaupanąto jump forward, to leap
6Proto-Indo-Europeanklaup-
Every word from Proto-Indo-European (s)pelH-Every word from Proto-Slavic polъEvery word from Slovincian pól