A more thorough explanation:

quousque

Quousque is a Latin term that means "how long" or "until". It was often used in legal documents to set a limit or condition.

• "The lease on the property will last quousque the tenant pays the rent on time."
• "The contract is valid quousque the terms are met."

These examples show how quousque is used to set a limit or condition. In the first example, the lease will last only as long as the tenant pays the rent on time. In the second example, the contract is only valid if the terms are met.