Questions & Answers about Το κλείστρο λειτουργεί καλά.
Το is the definite article, meaning the.
In this sentence, το goes with κλείστρο, so το κλείστρο = the shutter / the bolt / the latch, depending on context.
Greek articles change for gender, number, and case, so you cannot use just one word for the in all situations.
Here, το is the neuter singular form.
Κλείστρο is a neuter noun.
A very common clue is the ending -ο: many Greek nouns ending in -ο are neuter, and they usually take the article το in the singular:
- το βιβλίο = the book
- το παιδί = the child
- το κλείστρο = the shutter / latch / bolt
So το κλείστρο is a normal neuter noun phrase.