Where does “Lepidoptera” come from?

Lepidoptera (Translingual) comes from Ancient Greek λεπίς, from Ancient Greek λέπω — peel, strip off the rind or husk.

Ancestry of “Lepidoptera”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	λεπίς	scale, flake, shell, husk; epithelial debris;...
2	Ancient Greek	λέπω	peel, strip off the rind or husk