Where does “Baetoidea” come from?

Baetoidea (Translingual) comes from Translingual Baetis, from Latin Baetis, from Ancient Greek Βαῖτις, from Undetermined bai-t-.

Ancestry of “Baetoidea”, step by step

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