re-entry; readmittance
Used for entering again, especially in contexts like re-entering a country, a facility, or a system. Often appears as a prefix in compounds like 再入国 (re-entry to a country) or 再入場 (re-entry to a venue).
I presented my passport and completed the re-entry procedure.
Re-entry is not allowed with this ticket.
special re-entry permit
Compound of 再 (sai, 'again') and 入 (nyū, 'enter'). The reading さいにゅう follows standard on'yomi.