등본이 · 등본을
certified copy (of a register), resident registration copy
Example
주민센터에서 주민등록 등본을 떼 왔어요.
I got a copy of my resident registration from the community center.
Word parts
등 copy out+본 original, book
Literally 'a copied-out version of the original' record.
Good to know
Koreans say 등본을 떼다 for getting one issued, literally 'to tear off' a copy.