What is the term for this particular use of the ablative?

1. What is the use of the ablative?
2. What is an ablative example?
3. What does ablative of means mean?
4. What is the rule for the ablative of means in Latin?

What is the use of the ablative?

The ablative after prepositions of place or time denotes location in place and time. This is to be distinguished from the accusative after the same preposition which indicates motion into, down under, toward, etc.

What is an ablative example?

The ablative case is very frequently used with prepositions, for example ex urbe "out of the city", cum eō "with him". Four prepositions (in "in/into", sub "under/to the foot of", subter "under", super "over") may take either an accusative or an ablative.

What does ablative of means mean?

The ablative is used to denote the means or instrument of an action.

What is the rule for the ablative of means in Latin?

This use originates in the old instrumental case, not found in Latin, so the ablative case is used instead. We translate the ablative of means with a "by" or "with" ("by means of" is literal).