Where does “Thira” come from?

Thira (English) comes from Greek θήρα, from Ancient Greek θήρᾱ, from Ancient Greek θηράω, from Ancient Greek θήρ, from Proto-Hellenic kʷʰḗr, from Proto-Indo-European ǵʰwer- — wild; wild animal.

Ancestry of “Thira”, step by step

Step	Language	Word	Meaning
1	Greek	θήρα	hunting, the hunt; prey, the hunted
2	Ancient Greek	θήρᾱ	animal, wild beast
3	Ancient Greek	θηράω	to hunt
4	Ancient Greek	θήρ	a wild beast, beast of prey, especially a lion;...
5	Proto-Hellenic	kʷʰḗr	wild beast
6	Proto-Indo-European	ǵʰwer-	wild; wild animal

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