Where does “fälla samman” come from?

fälla samman (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.

Ancestry of “fälla samman”, step by step

fälla samman 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 samman

StepLanguageWordMeaning
1Swedishsammantogether
2Old Norsesamantogether; strong masculine accusative singular of...
3Proto-Germanicsamanaiat one; together
4Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European (s)pelH-Every word from Proto-Slavic polъEvery word from Slovincian pól