Questions & Answers about Το τακάκι είναι παλιό.
το is the definite article here, equivalent to the in English.
In this sentence, το shows that τακάκι is:
- singular
- neuter
- in the nominative case (the basic subject form)
So το τακάκι means the ... with a neuter singular noun.
For comparison:
- ο = masculine singular the
- η = feminine singular the
- το = neuter singular the
You can tell from two things:
- It takes the article το
- It ends in -ι, which is very commonly a neuter noun ending in Greek
So in το τακάκι, both the article and the noun pattern tell you it is neuter.
This matters because adjectives must agree with the noun in gender, number, and case.