Where does “-there” come from?

-there (English) comes from Ancient Greek θηρίον, from Ancient Greek θήρ, from Proto-Hellenic kʷʰḗr, from Proto-Indo-European ǵʰwer- — wild; wild animal.

Ancestry of “-there”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	θηρίον	wild animal, beast, savage beast; a small animal,...
2	Ancient Greek	θήρ	a wild beast, beast of prey, especially a lion;...
3	Proto-Hellenic	kʷʰḗr	wild beast
4	Proto-Indo-European	ǵʰwer-	wild; wild animal

Words derived from “-there”

anthracothere

Every word from Proto-Indo-European ǵʰwer- →Every word from Proto-Hellenic kʷʰḗr →Every word from Ancient Greek θήρ →