Where does “tylsistyttäminen” come from?

tylsistyttäminen (Finnish) comes from Finnish tylsistyttää, from Finnish tylsistyä, from Finnish tylsistää, from Finnish tylsä, from Proto-Finnic tülcä.

Ancestry of “tylsistyttäminen”, step by step

StepLanguageWordMeaning
1Finnishtylsistyttääto make dull, boring; to bore
2Finnishtylsistyäto become blunt
3Finnishtylsistääto dull
4Finnishtylsädull, blunt; boring, dull, uninteresting
5Proto-Finnictülcä—
Every word from Proto-Finnic tülcä →Every word from Finnish tylsä →Every word from Finnish tylsistää →