Hello
I am not aware of any word “πρίνωη” in Greek.
What you wrote resembles very much the Greek word “πρωινή”. “Πρωί” means “morning”. “Πρωινή” is the female adjective of “πρωί”.
Example:
Πρωϊνή εφημερίδα = morning newspaper.
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Vasiliki Baskou, Instructor/Director, https://learn-greek-online.com.