Where does “ఆస్ట్రేలియా” come from?

ఆస్ట్రేలియా (Telugu) comes from English Australia, from Latin terra austrālis incōgnita, from Latin auster, from Proto-Italic *austeros.

Ancestry of “ఆస్ట్రేలియా”, step by step

Step	Language	Word	Meaning
1	English	Australia	—
2	Latin	terra austrālis incōgnita	—
3	Latin	auster	The south wind; south
4	Proto-Italic	*austeros	—