Where does “kuriosum” come from?

kuriosum (Swedish) comes from Latin curiosum, from Latin curiosus, from Latin -osus, from Old Latin -osos, from Latin ont-to-s, from Latin -o-wont-to-s.

kuriosum (Swedish): curiosity, curio (something (just) interesting)

Definitions

curiosity, curio (something (just) interesting)

Ancestry of “kuriosum”, step by step

Step	Language	Word	Meaning
1	Latin	curiosum	nominative neuter singular of cūriōsus
2	Latin	curiosus	Careful, diligent, thoughtful, devoted;...
3	Latin	-osus	-ose, -ous; full of, overly, prone to
4	Old Latin	-osos	accusative masculine plural of -ōsus
5	Latin	ont-to-s	—
6	Latin	-o-wont-to-s	—

Every word from Latin -o-wont-to-s →Every word from Latin -osus →Every word from Latin curiosus →