This is the 905th most frequent Romanian word.
petru
"Petru" is a Romanian proper noun, equivalent to the English name "Peter."
Here, 'Petru' is a proper noun referring to the recipient of the book.
Această carte este pentru Petru.
This book is for Petru.
'Petru' is used again as a proper noun, referring to a historical or religious figure.
Petru a fost un apostol renumit.
Petru was a famous apostle.
In this sentence, 'Petru' is a proper noun, used as a personal name.