passphrase
A sequence of words or other text used to control access to a computer system, program, or data; similar to a password but typically longer.
For security, please change your passphrase regularly.
This system recommends using a passphrase instead of a password.
Variant with interpunct; less common but sometimes seen in technical contexts.
Borrowed from English 'passphrase', a compound of 'pass' and 'phrase'.