Where does “sukupuolitautioppi” come from?

sukupuolitautioppi (Finnish) comes from Finnish sukupuolitauti, from Finnish sukupuoli, from Finnish puoli, from Proto-Finnic pooli, from Proto-Uralic pälä — half.

Ancestry of “sukupuolitautioppi”, step by step

sukupuolitautioppi traces back through two separate lines of ancestry.

via Finnish sukupuolitauti

StepLanguageWordMeaning
1Finnishsukupuolitautivenereal disease VD, sexually transmitted disease STD
2Finnishsukupuolisex, gender
3Finnishpuolihalf; when followed by a number representing an...
4Proto-Finnicpoolihalf, side; half
5Proto-Uralicpälähalf

via Finnish oppi

StepLanguageWordMeaning
1Finnishoppidoctrine; study, -logy, theory; in this sense...
2Finnishoppiato learn
3Proto-Finnicoppidakto learn
4Proto-Finno-Ugricwoppe-
Every word from Proto-Uralic päläEvery word from Proto-Finnic pooliEvery word from Finnish puoli