Where does “Mygalomorphae” come from?

Mygalomorphae (Translingual) comes from Ancient Greek μυγαλῆ — shrew.

Ancestry of “Mygalomorphae”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	μυγαλῆ	shrew

Mygalomorphae — Etymology, Origin & Word History | Etymology Explorer