Questions & Answers about Malum inter filium et filiam dividendum est.
Dividendum est is a very common Latin way to express necessity or obligation.
- dividendum is a gerundive of dividere = to divide
- est = is
Together, dividendum est means something like:
- must be divided
- is to be divided
- has to be divided
So this is not just saying that the apple is being divided. It says that the apple ought to be divided or needs to be divided.
Because it agrees with malum.
- malum is neuter singular
- the gerundive dividendum must match it in gender, number, and case
So:
- malum = neuter singular nominative
- dividendum = neuter singular nominative
This agreement is exactly like an adjective agreeing with a noun.