Where does “humo” come from?

humo (Latin) comes from Latin humus, from Proto-Italic homos, from Polish homoseksualny — homosexual.

Ancestry of “humo”, step by step

Step	Language	Word	Meaning
1	Latin	humus	ground, floor; earth, soil
2	Proto-Italic	homos	—
3	Polish	homoseksualny	homosexual

humo — Etymology, Origin & Word History | Etymology Explorer