Where does “grupptänk” come from?

grupptänk (Swedish) comes from Swedish tank, from Swedish tänka, from Old Swedish þænkia, from Old Norse þenkja, from Low German denken, from Middle Low German denken, from Old Saxon thenkian, from Proto-West Germanic þankijan — to think.

grupptänk (Swedish): groupthink

Definitions

  1. groupthink

Ancestry of “grupptänk”, step by step

grupptänk traces back through two separate lines of ancestry.

via Swedish tank

StepLanguageWordMeaning
1Swedishtanktank (container for liquids)
2Swedishtänkathink; to ponder, to communicate to oneself in...
3Old Swedishþænkiato perceive
4Old Norseþenkja
5Low Germandenkento think
6Middle Low Germandenkento think, to perceive
7Old Saxonthenkianto think; to perceive
8Proto-West Germanicþankijanto think
9Proto-Germanicþankijanąto perceive, to think
10Proto-Indo-Europeanteng-to think

via Swedish grupp

StepLanguageWordMeaning
1Swedishgruppgroup
2Frenchgroupegroup
3Italiangruppogroup, cluster, party, team, covey; pack; peloton
4Vulgar Latincruppo
5Renaissance Latingrupus
6Proto-Germanickruppaza body; mass; a compressed, round mass; lump;...
7Proto-Indo-Europeangrewb-to warp, bend, crawl; to bend, crouch, crawl; to...
8Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...
Every word from Proto-Indo-European teng-Every word from Proto-Germanic þankijanąEvery word from Proto-West Germanic þankijan