Where does “terastirappaus” come from?

terastirappaus (Finnish) comes from Finnish rappaus, from Finnish räpätä, from Swedish rappa, from German berappen.

Ancestry of “terastirappaus”, step by step

terastirappaus traces back through two separate lines of ancestry.

via Finnish rappaus

StepLanguageWordMeaning
1Finnishrappausplastering covering of plaster
2Finnishräpätäto rap; to tap, hit lightly; to get it
3Swedishrappato rap; to speak lyrics in the style of rap music
4Germanberappen—

via Finnish terasti

StepLanguageWordMeaning
1Finnishterasti—
Every word from German berappen →Every word from Swedish rappa →Every word from Finnish räpätä →