Where does “エトピリカ” come from?

エトピリカ (Japanese) comes from Ainu エト゚ピㇼカ, from Ainu エト゚ — nose.

エトピリカ (Japanese): a tufted puffin

Definitions

Step	Language	Word	Meaning
1	Ainu	エト゚ピㇼカ	a tufted puffin
2	Ainu	エト゚	nose

エトピリカ — Etymology, Origin & Word History | Etymology Explorer