Where does “tappa tråden” come from?

tappa tråden (Swedish) comes from Swedish täppa, from Old Norse tapa, from Proto-Germanic tappōną — to tap.

tappa tråden (Swedish): to lose the thread

Definitions

  1. to lose the thread

Ancestry of “tappa tråden”, step by step

tappa tråden traces back through two separate lines of ancestry.

via Swedish täppa

StepLanguageWordMeaning
1Swedishtäppato block or obstruct a passage, "e.g." a leak
2Old Norsetapato lose
3Proto-Germanictappōnąto tap

via Swedish tråden

StepLanguageWordMeaning
1Swedishtråden—
Every word from Proto-Germanic tappōną →Every word from Old Norse tapa →Every word from Swedish täppa →