Where does “luottotappio” come from?

luottotappio (Finnish) comes from Finnish tappio, from Swedish täppa, from Old Norse tapa, from Proto-Germanic tappōną — to tap.

luottotappio (Finnish): bad debt, credit loss

Definitions

  1. bad debt, credit loss

Ancestry of “luottotappio”, step by step

luottotappio traces back through two separate lines of ancestry.

via Finnish tappio

StepLanguageWordMeaning
1Finnishtappiodefeat; operating loss; loss, casualty
2Swedishtäppato block or obstruct a passage, "e.g." a leak
3Old Norsetapato lose
4Proto-Germanictappōnąto tap

via Finnish luotto

StepLanguageWordMeaning
1Finnishluottocredit; Synonym of luottamus
2FinnishluottaaTo trust, rely on, count on
3Proto-Finnicloottadakto trust, to rely on, to count on
Every word from Proto-Germanic tappōnąEvery word from Old Norse tapaEvery word from Swedish täppa