Questions & Answers about Ο κωδικός PIN είναι σωστός.
Ο is the masculine singular definite article, meaning the.
It appears here because κωδικός is a masculine singular noun, so the article has to match it:
- ο κωδικός = the code
Greek articles change for gender, number, and case, unlike English the, which always stays the same.
Κωδικός means code, and PIN is the borrowed acronym PIN.
So ο κωδικός PIN literally means the PIN code.
This is very common in Greek: a Greek noun is used together with an English acronym or foreign term.
You may also hear simply:
- το PIN
But ο κωδικός PIN is perfectly natural and a bit more explicit.
In Greek, every noun has a grammatical gender: masculine, feminine, or neuter.
Κωδικός is a masculine noun, so it takes masculine forms around it:
- ο κωδικός
- σωστός (masculine form of correct/right)
This is grammatical gender, not biological gender.