Where does “falla in” come from?

falla in (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.

falla in (Swedish): (when an inward motion in some sense)

Definitions

  1. (when an inward motion in some sense)

Ancestry of “falla in”, step by step

falla in 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 in

StepLanguageWordMeaning
1Swedishininto, the direction "from "out" to "in
Every word from Proto-Indo-European (s)pelH-