Where does “Caimaninae” come from?

Caimaninae (Translingual) comes from Translingual Caiman, from Spanish caimán, from Taíno kaimán.

Ancestry of “Caimaninae”, step by step

Step	Language	Word	Meaning
1	Translingual	Caiman	—
2	Spanish	caimán	alligator; caiman
3	Taíno	kaimán	—

Caimaninae — Etymology, Origin & Word History | Etymology Explorer