Questions & Answers about Pavimentum sectile est.
Pavimentum is nominative singular neuter.
Why?
- It is a 2nd-declension neuter noun.
- In the nominative singular, many 2nd-declension neuter nouns end in -um.
- In a sentence with est, the nominative noun is typically the subject.
So here pavimentum is the subject: the floor / pavement.
Because sectile has to agree with pavimentum.
The adjective’s dictionary form is sectilis, sectile:
- sectilis = masculine/feminine nominative singular
- sectile = neuter nominative singular
Since pavimentum is neuter singular, the adjective must also be neuter singular, so Latin uses sectile.