Where does “käyräintegraali” come from?

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

Ancestry of “käyräintegraali”, step by step

käyräintegraali 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 käyrä

StepLanguageWordMeaning
1Finnishkäyräcrooked; curve; plot, graph, diagram
2Proto-Finnickäkräbent, crooked
3Proto-Germanichagrō—
Every word from Proto-Italic *n̥tagros →Every word from Latin integer →Every word from Medieval Latin integralis →