Questions & Answers about Necessitas dura est.
Necessitas is nominative singular. In a basic Latin sentence, the nominative case is usually the subject, and here it is the thing being described by dura.
So the structure is:
- necessitas = subject
- dura = adjective describing the subject
- est = is
Necessitas is a third-declension noun.
Its dictionary form is usually given as:
- necessitas, necessitatis = necessity
That genitive singular form, necessitatis, shows that the stem is necessitat-, which is typical third-declension behavior.