Where does “humidade” come from?

humidade (Portuguese) comes from Latin humiditas, from Latin -tās, from Proto-Indo-European -teh₂ts, from Proto-Indo-European -teh₂, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “humidade”, step by step

Step	Language	Word	Meaning
1	Latin	humiditas	humidity
2	Latin	-tās	ty, -dom, -hood, -ness, -ship
3	Proto-Indo-European	-teh₂ts	Used to form nouns representing state of being
4	Proto-Indo-European	-teh₂	Used to form nouns representing state of being
5	Proto-Indo-European	-tós	Creates verbal adjectives from verb stems

Every word from Proto-Indo-European -tós →Every word from Latin -tās →Every word from Proto-Indo-European -teh₂ →