English
importin
From import + -in.
A compound of import + -in
Latin portō ‘to carry, bear’
Latin importō ‘bring in from abroad, import’
Old French emporter
Middle English importen
English import
Today it means
noun Any of various karyopherins that move other protein molecules into the cell nucleus by binding to a specific recognition sequence.
Language periods are conventional ranges, not dates for this word.
Etymograph / importin