Where does “Baetic” come from?

Baetic (English) comes from Latin baeticus, from Latin Baetis, from Ancient Greek Βαῖτις, from Undetermined bai-t-.

Baetic (English): Of or relating to a region of southern Spain, the mountain range that dominates it, and the language spoken there

Definitions

Of or relating to a region of southern Spain, the mountain range that dominates it, and the language spoken there

Ancestry of “Baetic”, step by step

Step	Language	Word	Meaning
1	Latin	baeticus	Baetic
2	Latin	Baetis	Guadalquivir
3	Ancient Greek	Βαῖτις	—
4	Undetermined	bai-t-	—

Every word from Undetermined bai-t- →Every word from Ancient Greek Βαῖτις →Every word from Latin Baetis →