Where does “corticine” come from?

corticine (English) comes from French corticine, from Latin cortex, from Proto-Indo-European *(s)kort-ek-s.

corticine (English): A material for carpeting or floor covering, made...

Definitions

Step	Language	Word	Meaning
1	French	corticine	—
2	Latin	cortex	The bark of a tree; the bark of a cork tree;...
3	Proto-Indo-European	*(s)kort-ek-s	—

corticine — Etymology, Origin & Word History | Etymology Explorer