Where does “scabiēs” come from?

scabiēs (Latin) comes from Latin -ies, from Proto-Indo-European -yḗh₂s.

Ancestry of “scabiēs”, step by step

Step	Language	Word	Meaning
1	Latin	-ies	Used to form an abstract noun, usually from an...
2	Proto-Indo-European	-yḗh₂s	—