Where does “pintaintegraali” come from?

pintaintegraali (Finnish) comes from Finnish integraali, from Medieval Latin integralis, from Latin integer, from Proto-Italic *n̥tagros — untouched.

pintaintegraali (Finnish): surface integral

Definitions

  1. surface integral

Ancestry of “pintaintegraali”, step by step

pintaintegraali traces back through two separate lines of ancestry.

via Finnish integraali

StepLanguageWordMeaning
1Finnishintegraaliintegral
2Medieval Latinintegralisintegral; complete
3Latinintegercomplete, whole, intact; uninjured, sound,...
4Proto-Italic*n̥tagrosuntouched

via Finnish pinta

StepLanguageWordMeaning
1Finnishpintasurface
2Proto-Finnicpintasurface; sapwood; fat
3Proto-Germanicspindazfat; lard; grease; smear; marrow
Every word from Proto-Italic *n̥tagros →Every word from Latin integer →Every word from Medieval Latin integralis →