Where does “tilsammen” come from?

tilsammen (Norwegian Bokmål) comes from Norwegian Bokmål til, from Norwegian Bokmål flukt, from Middle Low German vlucht, from Proto-West Germanic *fluhtī, from Proto-Germanic *fluhtiją, from Proto-Germanic flehtaną, from Proto-Indo-European pleḱ-, from Proto-Indo-European pel- — to cover, to wrap; skin, hide, cloth; to fold.

Ancestry of “tilsammen”, step by step

tilsammen traces back through two separate lines of ancestry.

via Norwegian Bokmål til

StepLanguageWordMeaning
1Norwegian Bokmåltilto
2Norwegian Bokmålfluktflight, escape
3Middle Low Germanvlucht—
4Proto-West Germanic*fluhtīact of flying, flight
5Proto-Germanic*fluhtiją—
6Proto-Germanicflehtanąto plait, to weave
7Proto-Indo-Europeanpleḱ-to fold, plait, weave
8Proto-Indo-Europeanpel-to cover, to wrap; skin, hide, cloth; to fold

via Norwegian Bokmål sammen

StepLanguageWordMeaning
1Norwegian Bokmålsammentogether; simultaneously; into each other
2Old Norsesamantogether; strong masculine accusative singular of...
3Proto-Germanicsamanaiat one; together
4Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European pel- →Every word from Proto-Indo-European pleḱ- →Every word from Proto-Germanic flehtaną →